CN203430832U - Thin oil self-lubricating type transmission shaft device of vertical axial pump - Google Patents
Thin oil self-lubricating type transmission shaft device of vertical axial pump Download PDFInfo
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- CN203430832U CN203430832U CN201320438468.XU CN201320438468U CN203430832U CN 203430832 U CN203430832 U CN 203430832U CN 201320438468 U CN201320438468 U CN 201320438468U CN 203430832 U CN203430832 U CN 203430832U
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- transmission shaft
- thin oil
- oil
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Abstract
The utility model relates to a thin oil self-lubricating type transmission shaft device of a vertical axial pump. The two ends of a transmission shaft are connected with a pump and a motor, a tubular bearing bush is sleeved on the outer of the transmission shaft , the upper end of the bearing sleeve is provided with a deep groove ball bearing support, the middle part of the bearing sleeve is provided with a thrust bearing support which is immersed into thin oil, a deep groove ball bearing is directly supported on the structure through a bearing seat and a thrust bearing, the outer surface of the bearing sleeve is provided with a plurality of steps which are used for the axial positioning of the bearings, the steps for the axial positioning of a middle bearing is in the shape of a convex ring, the outer edge of the convex ring is provided with at least two bosses, the outer wall of the bearing seat is provided with a spiral oil groove, and the top end of the spiral oil groove is provided with a radial hole. The transmission shaft device has the advantages that the low-level thin oil obtains the kinetic energy through the self rotating of a mechanical part, raises the oil level at an outer cavity, and then flows into an inner cavity, so as to lubricate the rolling bearing from top to bottom, and realize full lubrication; the outer cavity is provided with a cooling cavity, and is suitable for pumping over liquid of different temperatures, and the lubricating property of the composition is good.
Description
Technical field
The utility model relates to a kind of vertical-type axial-flow pump driveline, especially relates to a kind of vertical-type axial-flow pump driveline of thin oil selflubricating.
Background technique
The pump of general vertical-type axial-flow pump and motor layer are that layering is installed, and motor drops on motor cabinet, and motor cabinet is arranged on motor layer, and pump is arranged on below motor layer on the pump layer of two, three meters, and pump layer moves after being connected with motor Ceng Duihao center and by transmission shaft.The two ends of transmission shaft are connected with the axle of pump and motor respectively by shaft coupling.
The general overcoat of transmission shaft of existing connection pump and motor has the bearing housing of tubulose, bearing housing upper end is provided with deep groove ball bearing supporting, centre is provided with thrust-bearing supporting, deep groove ball bearing directly supports structurally by bearing support, thrust-bearing, the outer surface of bearing housing is provided with a plurality of steps and is used for to bearing axially locating, deep groove ball bearing above generally adopts grease lubrication, middle thrust-bearing to adopt thin oil lubricant, and middle thrust-bearing is immersed in the thin oil of oil pocket.
There is following deficiency in this structure:
If 1 whole bearings adopt dry oil lubrication, this lubricates and is only limited to the axial-flow pump of taking out normal temperature clear water and smaller power, has limited the using scope of axial-flow pump;
If 2 intermediate bearings adopt thin oil lubricants, upper bearing (metal) grease-added, occur sometimes upper bearing (metal) because of not regularly oiling do not damage, the replacing time of bad accurate grasp bearing grease, be also only suitable for pumping normal temperature clear water.
Model utility content
Technical problem to be solved in the utility model, is just to provide a kind of vertical-type axial-flow pump driveline that can effectively avoid the thin oil selflubricating of transmission shaft upper bearing (metal) wearing and tearing.
Solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of vertical-type axial-flow pump driveline of thin oil selflubricating, the bearing housing of described transmission shaft two ends connection pump and motor, overcoat tubulose, bearing housing upper end is provided with deep groove ball bearing supporting, centre is provided with the thrust-bearing supporting being immersed in thin oil, deep groove ball bearing directly supports structurally by upper bearing bracket, thrust-bearing, the outer surface of bearing housing is provided with a plurality of steps and is used for to bearing axially locating, it is characterized in that: the described step to intermediate bearing axially locating is convex ring shape, and the outer of bulge loop is provided with at least 2 boss.
So, the linear velocity of small boss in the time of can utilizing operation, drives fluid to be splashed to oil pocket wall, along oil pocket wall, rises, and while rising to deep groove ball bearing, the deadweight of utilization oil radially through hole itself flows into deep groove ball bearing upper end inner chamber, from top to bottom lubricated rolling bearing.
On the basis of the above, the utility model can also be improved further:
The outer wall of described upper bearing bracket is provided with helical oil groove, and a radial hole is established on spiral chute top.
Described helical oil groove is two pass spiral chute.
The small boss of bearing housing maximum diameter is determined by test at the thickness of radial direction, boss rotation produces parabolic pasta maximum height and only surpasses bearing support outer rim spiral chute topped hole, from hole enter bearing cavity lubricated from top to bottom above radial bearing, this bearing is above lubricated fully.
To the corresponding a certain radially boss of certain fixed rotating speed, with regard to there being one quantitative lubricant oil to enter, can determine boss quantity according to oil mass.
Beneficial effect: the utility model makes low oil level thin oil rely on mechanical part self rotation to obtain kinetic energy and flow into inner chamber from exocoel rising oil level, top-down lubricated rolling bearing, reaches sufficient lubrication, and exocoel is established cooling chamber, be applicable to pumping the liquid of various different temperatures, form greasy property good.
Accompanying drawing explanation
Fig. 1 is axial-flow pump driveline cross-sectional schematic of the present utility model;
Fig. 2 is the bearing housing cross-sectional schematic of axial-flow pump driveline of the present utility model;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 is the bearing support cross-sectional schematic of axial-flow pump driveline of the present utility model;
Fig. 5 is the schematic top plan view of Fig. 4.
In figure: the cooling chamber cap of 1-, 2-upper bearing bracket, 3-cooling chamber, 4-bearing housing, 5-thrust-bearing, deep groove ball bearing under 6-, 7-keeps off oil cap, and 8-fills with oil nozzle, 9-bearing cap, the upper deep groove ball bearing of 10-, 11-bearing box, 12-transmission shaft, 13-step.
Embodiment
As shown in Figure 1, the vertical-type axial-flow pump driveline of thin oil selflubricating of the present utility model, transmission shaft 12 lower ends, upper end connects respectively pump and motor, transmission shaft 12 overcoats have the bearing housing 4 of tubulose, bearing housing 4 upper ends are provided with deep groove ball bearing 10 supportings, centre is provided with thrust-bearing 5 supportings that are immersed in thin oil, deep groove ball bearing is by upper bearing bracket 2, thrust-bearing is directly bearing on the shell construction bearing box 11 of cooling chamber 3, bearing box 11 is provided with bearing cap 9, bearing cap 9 is provided with the filling oil nozzle 8 that is connected to outside, there is cooling chamber cap 1 cooling chamber 3 tops, be connected with step 13 below, the centre of step 13 is lower deep groove ball bearing 6, lower end is gear oil cap 7, the outer surface of bearing housing 4 is provided with a plurality of steps and is used for to bearing axially locating.Referring to Fig. 2 and Fig. 3, giving the step of intermediate bearing axially locating is convex ring shape, and the outer of bulge loop is provided with 4 boss.
Referring to Fig. 4 and Fig. 5, the outer wall of bearing support 2 is provided with two pass helical oil groove, and a radial hole is established on spiral chute top.
During design:
1) with experiment, determine the geomery of small boss on bearing housing cylindrical, to obtain pasta rising energy;
2) minimum altitude and the oil mass of lubricant oil determined in experiment;
3) bearing support outer rim spiral fluted size and rising gradient are determined in experiment, reduce the energy on pasta.
Claims (3)
1. the vertical-type axial-flow pump driveline of a thin oil selflubricating, described transmission shaft (12) two ends connect pump and motor, the bearing housing of overcoat tubulose (4), bearing housing (4) upper end is provided with deep groove ball bearing (10), centre is provided with the thrust-bearing (5) being immersed in thin oil, upper deep groove ball bearing (10) is by upper bearing bracket (2), thrust-bearing (5) is directly bearing on the shell construction bearing box (11) of cooling chamber (3), the outer surface of bearing housing (4) is provided with a plurality of steps and is used for to bearing axially locating, it is characterized in that: to thrust-bearing (5) axially locating in described step is convex ring shape, the outer of bulge loop is provided with at least 2 boss.
2. the vertical-type axial-flow pump driveline of thin oil selflubricating according to claim 1, is characterized in that: the outer wall of described upper bearing bracket (2) is provided with helical oil groove, and a radial hole is established on helical oil groove top.
3. the vertical-type axial-flow pump driveline of thin oil selflubricating according to claim 2, is characterized in that: described helical oil groove is two pass spiral chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438468.XU CN203430832U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating type transmission shaft device of vertical axial pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438468.XU CN203430832U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating type transmission shaft device of vertical axial pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430832U true CN203430832U (en) | 2014-02-12 |
Family
ID=50059875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438468.XU Expired - Lifetime CN203430832U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating type transmission shaft device of vertical axial pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930969A (en) * | 2017-04-01 | 2017-07-07 | 江苏飞跃机泵集团有限公司 | A kind of vertical long shaft pump base plate |
| CN108019373A (en) * | 2017-11-01 | 2018-05-11 | 沈阳鼓风机集团核电泵业有限公司 | Bearing automatic lubrication installation |
| CN115370612A (en) * | 2022-09-29 | 2022-11-22 | 江西中发天信航空发动机科技有限公司 | Rotor structure of axial flow compressor of aircraft engine |
-
2013
- 2013-07-22 CN CN201320438468.XU patent/CN203430832U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930969A (en) * | 2017-04-01 | 2017-07-07 | 江苏飞跃机泵集团有限公司 | A kind of vertical long shaft pump base plate |
| CN108019373A (en) * | 2017-11-01 | 2018-05-11 | 沈阳鼓风机集团核电泵业有限公司 | Bearing automatic lubrication installation |
| CN115370612A (en) * | 2022-09-29 | 2022-11-22 | 江西中发天信航空发动机科技有限公司 | Rotor structure of axial flow compressor of aircraft engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |