CN203430837U - Thin oil self-lubricating transmission shaft device for vertical axial flow pump - Google Patents
Thin oil self-lubricating transmission shaft device for vertical axial flow pump Download PDFInfo
- Publication number
- CN203430837U CN203430837U CN201320438620.4U CN201320438620U CN203430837U CN 203430837 U CN203430837 U CN 203430837U CN 201320438620 U CN201320438620 U CN 201320438620U CN 203430837 U CN203430837 U CN 203430837U
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- China
- Prior art keywords
- bearing
- transmission shaft
- thin oil
- flow pump
- oil
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Abstract
The utility model relates to a thin oil self-lubricating transmission shaft device for a vertical axial flow pump. The two ends of a transmission shaft (12) are connected with a pump and a motor, a tubular bearing bush (4) is sleeved on the transmission shaft (12), and an upper deep groove ball bearing (10) support is arranged at the upper end of the bearing bush (4); a thrust bearing support (5) soaked in thin oil is arranged in the middle of the bearing bush (4), and the upper deep groove ball bearing (10) is directly supported on a structure through an upper bearing block (2) and a thrust bearing (5); a plurality of steps are arranged on the outer surface of the bearing bush (4) to carry out the axial positioning of the bearings. The thin oil self-lubricating transmission shaft device is characterized in that a spiral oil groove is formed in the outer wall of the upper bearing block (2), and the top end of the spiral oil groove is provided with a radial hole. The low-level thin oil obtains kinetic energy by self rotation of a mechanical part to rise in an outer cavity and then flows into an inner cavity so as to lubricate a rolling bearing from top to bottom, so that the lubrication is full; a cooling cavity is arranged in the outer 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 outer wall of described upper bearing bracket is provided with helical oil groove.
On the basis of the above, the utility model can also be improved further:
Described helical oil groove is two pass spiral chute, and spiral chute top is established a radial hole and is communicated to bearing housing endoporus.
So, the linear velocity of bearing housing step in the time of can utilizing operation, drives fluid to be splashed to oil pocket wall, along oil pocket wall spiral, while rising to deep groove ball bearing, utilize the deadweight of oil own radially through hole inflow deep groove ball bearing upper end inner chamber, from top to bottom lubricated rolling bearing.
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. 4 and Fig. 5, the outer wall of bearing support 2 is provided with two pass spiral chute, and spiral chute top is established a radial hole and is communicated to bearing housing endoporus.
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.
During design:
1) with experiment, determine the geomery of small boss on bearing gasket 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: the outer wall of described upper bearing bracket (2) is provided with helical oil groove.
2. the vertical-type axial-flow pump driveline of thin oil selflubricating according to claim 1, is characterized in that: described helical oil groove is two pass helical oil groove.
3. the vertical-type axial-flow pump driveline of thin oil selflubricating according to claim 1 and 2, is characterized in that: a radial hole is established on described helical oil groove top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438620.4U CN203430837U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating transmission shaft device for vertical axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438620.4U CN203430837U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating transmission shaft device for vertical axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430837U true CN203430837U (en) | 2014-02-12 |
Family
ID=50059880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438620.4U Expired - Lifetime CN203430837U (en) | 2013-07-22 | 2013-07-22 | Thin oil self-lubricating transmission shaft device for vertical axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020156089A1 (en) * | 2019-01-31 | 2020-08-06 | 长沙矿冶研究院有限责任公司 | Deep water pump having pressure compensation function |
-
2013
- 2013-07-22 CN CN201320438620.4U patent/CN203430837U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020156089A1 (en) * | 2019-01-31 | 2020-08-06 | 长沙矿冶研究院有限责任公司 | Deep water pump having pressure compensation function |
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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 |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |