CN204152953U - Spiral chute sliding bearing and centrifugal pump - Google Patents
Spiral chute sliding bearing and centrifugal pump Download PDFInfo
- Publication number
- CN204152953U CN204152953U CN201420436182.2U CN201420436182U CN204152953U CN 204152953 U CN204152953 U CN 204152953U CN 201420436182 U CN201420436182 U CN 201420436182U CN 204152953 U CN204152953 U CN 204152953U
- Authority
- CN
- China
- Prior art keywords
- bearing
- spiral chute
- oil
- chute sliding
- sliding bearing
- 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 - Lifetime
Links
- 239000000314 lubricant Substances 0.000 claims abstract description 36
- 238000005461 lubrication Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 145
- 239000010687 lubricating oil Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model relates to a kind of spiral chute sliding bearing and centrifugal pump, and spiral chute sliding bearing comprises: annular oil groove, goes in ring and is arranged at outside bearing body, the lubricant oil of accommodating outside supply; Bearing outer ring, outside the bearing body being positioned at annular oil groove both sides, establishes, by forming outer oil film to the lubricant oil that annular oil groove supplies between bearing outer ring and bearing support when spiral chute sliding bearing and bearing support relatively rotate with outer carrier is sliding; Bearing inner race, be positioned at inside bearing body, establish with outside high-speed main spindle is sliding, bearing inner race inwall has many spiral chutes, be conducted by oilhole and annular oil groove, the lubricant oil supplied by annular oil groove when high-speed main spindle and spiral chute sliding bearing relatively rotate forms internal layer oil film through oil-through hole by spiral chute between bearing inner race and high-speed main spindle.The utility model spin slot spiral chute sliding bearing and centrifugal pump improve the mechanical efficiency of centrifugal pump, improve reliability, reduce vibration and the noise level of high speed centrifugal pump.
Description
Technical field
The utility model relates to a kind of spiral chute sliding bearing and centrifugal pump, particularly relates to a kind of spiral chute sliding bearing with inside and outside oil film and the high speed centrifugal pump using this bearing.
Background technique
The using scope of high speed centrifugal pump is very wide, is used widely at industrial fields such as petrochemical industry, pharmacy, metallurgy, papermaking, electric power, environmental protection, food and light industrys.
The high-speed main spindle of existing high speed centrifugal pump adopts spiral chute sliding bearing to support, and existing spiral chute sliding bearing is fixing device (as screw, pin) and is fixed on bearing support, therefore only has the individual layer oil film between high-speed main spindle.
And along with the increase of rotating speed and radial load, frictional force increases, and causes friction power loss large, and mechanical efficiency is low.And being all converted into heat due to friction power loss, between high-speed main spindle and spiral chute sliding bearing, oil film temperature raises, and adds the geometric parameter that lubrication oil circulation amount is limited to bearing, thus causes lubricating oil high-temp to carbonize, finally cause bearing failure.In addition when high-speed overload, the vibration of high speed centrifugal pump and noise are all very large.
Model utility content
The purpose of this utility model is the defect for prior art, a kind of spiral chute sliding bearing and centrifugal pump are provided, reduce the friction power loss between high-speed main spindle and bearing, control the oil film temperature between high speed centrifugal pump high-speed main spindle and bearing, reduce the risk of lubricating oil high-temp charing, reduce the vibration of high speed centrifugal pump under high rotating speed severe duty and noise.
For achieving the above object, the utility model provides a kind of spiral chute sliding bearing, and described spiral chute sliding bearing comprises bearing body, also comprises:
Annular oil groove, goes in ring and is arranged at outside described bearing body, the lubricant oil of accommodating outside supply;
Bearing outer ring, outside the bearing body being positioned at described annular oil groove both sides, establish with outer carrier is sliding, the lubricant oil by supplying described annular oil groove when described spiral chute sliding bearing and described bearing support relatively rotate forms outer oil film between described bearing outer ring and described bearing support;
Oilhole, is penetratingly arranged in described annular oil groove;
Bearing inner race, be positioned at inside described bearing body, establish with outside high-speed main spindle is sliding, described bearing inner race inwall has many spiral chutes, be conducted by described oilhole and described annular oil groove, the lubricant oil supplied by described annular oil groove when described high-speed main spindle and described spiral chute sliding bearing relatively rotate forms internal layer oil film by spiral chute through described oilhole between described bearing inner race and described high-speed main spindle.
Further, described spiral chute sliding bearing also comprises inner ring groove, is positioned at the inner side of described bearing body, and connects with described bearing inner race, when described inner ring recess width changes and/or described bearing inner race width changes, described internal layer oil film width changes.
Further, when described bearing outer ring width changes and/or described annular oil groove width changes, described outer oil film width changes.
Further, when the diameter of described bearing outer ring and/or the diameter of described outer carrier change, described outer oil film thickness changes; When the diameter of described bearing inner race diameter and/or described high-speed main spindle changes, described internal layer oil slick thickness changes.
Further, described spiral chute is multiple, and described spiral fluted cross section is triangle or circular arc.
Further, when described spiral fluted quantity and width change, described lubrication oil circulation amount changes, the temperature change of described internal layer oil film.
For achieving the above object, the utility model additionally provides a kind of centrifugal pump, and described centrifugal pump comprises:
Low speed shaft, is supported by clutch shaft bearing, rotates under the driving of external prime mover (being generally motor);
Low speed gear, is connected with described low speed shaft, is rotated by the driving of described low speed shaft;
High gear, with described low speed gear phase tooth and, rotated by the driving of described low speed gear;
High-speed main spindle, is connected with described high gear, is rotated by the driving of described high gear;
Spiral chute sliding bearing, comprises bearing body, also comprises:
Annular oil groove, goes in ring and is arranged at outside described bearing body, the lubricant oil of accommodating supply;
Bearing outer ring, outside the bearing body being positioned at described annular oil groove both sides, establish with outer carrier is sliding, the lubricant oil supplied by described annular oil groove when described spiral chute sliding bearing and described bearing support relatively rotate forms outer oil film between described bearing outer ring and described bearing support;
Oilhole, is penetratingly arranged in described annular oil groove;
Bearing inner race, be positioned at inside described bearing body, establish with described high-speed main spindle is sliding, described bearing inner race inwall has many spiral chutes, be conducted by described oilhole and described annular oil groove, the lubricant oil supplied by described annular oil groove when described high-speed main spindle and described spiral chute sliding bearing relatively rotate forms internal layer oil film by spiral chute through described oilhole between described bearing inner race and described high-speed main spindle.
Further, described centrifugal pump also comprises oil pump, is connected, supplies described lubricant oil by pressure to described annular oil groove by oil circuit with described spiral chute sliding bearing.
Further, described spiral chute sliding bearing also comprises inner ring groove, is positioned at the inner side of described bearing body, and connects with described bearing inner race, when described inner ring recess width changes and/or described bearing inner race width changes, described internal layer oil film width changes.
Further, when described bearing outer ring width changes and/or described annular oil groove width changes, described outer oil film width changes.
Further, when the diameter of described bearing outer ring and/or the diameter of described outer carrier change, described outer oil film thickness changes; When the diameter of described bearing inner race diameter and/or described high-speed main spindle changes, described internal layer oil slick thickness changes.
Further, described spiral chute is multiple, and described spiral fluted cross section is triangle or circular arc.
Further, when described spiral fluted quantity and width change, described lubrication oil circulation amount changes, the temperature change of described internal layer oil film.
Further, when described spiral fluted shape and cross section change, the supporting plane of described clutch shaft bearing changes, and the bearing capacity of described internal layer oil film changes.
Spiral chute sliding bearing of the present utility model and centrifugal pump, wherein high-speed main spindle adopts the floating auger groove sliding bearing of double-layer oil film to support.Due to the reduction of friction power loss between high-speed main spindle and spiral chute sliding bearing, improve the mechanical efficiency of high speed centrifugal pump; Because the heat produced between high-speed main spindle and spiral chute sliding bearing reduces, on the other hand, the circulating load of lubricant oil can be regulated by spiral fluted cross-section area, thus control the temperature between high-speed main spindle and spiral chute sliding bearing.Thus reduce the risk of lubricant oil charing between high-speed main spindle and spiral chute sliding bearing, improve the reliability of high speed centrifugal pump; The two-layer film damper that passes through of mechanical vibration reduces, and reduces vibration and the noise level of high speed centrifugal pump.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model spiral chute sliding bearing;
Fig. 2 is the side view of the utility model spiral chute sliding bearing;
Fig. 3 is the sectional view of the utility model spiral chute sliding bearing;
Fig. 4 is the schematic diagram of the utility model centrifugal pump.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The utility model spiral chute sliding bearing can reduce the friction power loss between centrifugal pump high-speed main spindle and bearing, control the oil film temperature between centrifugal pump high-speed main spindle and bearing, improve the reliability of spiral chute sliding bearing, thus improve the reliability of high speed centrifugal pump; Reduce the vibration of centrifugal pump under high rotating speed severe duty and noise level.
Fig. 1 is the stereogram of the utility model spiral chute sliding bearing, side view and sectional view, and as shown in the figure, spiral chute sliding bearing of the present utility model comprises bearing body 10, annular oil groove 11, bearing outer ring 12, oilhole 13 and bearing inner race 14.
Annular oil groove 11 goes in ring and is arranged at outside bearing body 10, the lubricant oil of accommodating outside supply; Bearing outer ring 12 is positioned at outside the bearing body 10 of annular oil groove 11 both sides, establishes, by forming outer oil film to the lubricant oil that annular oil groove supplies between bearing outer ring 12 and bearing support when spiral chute sliding bearing and bearing support relatively rotate with outer carrier is sliding; Penetrating being arranged in annular oil groove 11 of oilhole 13 communicates with spiral chute 16; Bearing inner race 14 is positioned at inside bearing body 10, establish with outside high-speed main spindle is sliding, bearing inner race 14 inwall has many spiral chutes 16, be conducted by oilhole 13 and annular oil groove 11, the lubricant oil supplied by annular oil groove 11 when high-speed main spindle and spiral chute sliding bearing relatively rotate forms internal layer oil film through oil-through hole 13 and spiral chute 16 between bearing inner race 14 and high-speed main spindle.
Again as shown in the figure, spiral chute sliding bearing also comprises inner ring groove 15, is positioned at the inner side of bearing body 10, and connects with bearing inner race 14, and when inner ring groove 15 width changes and/or bearing inner race 14 width changes, internal layer oil film width changes.In addition, when bearing outer ring 12 width changes and/or annular oil groove 11 width changes, outer oil film width changes.
When the diameter of bearing outer ring 12 and/or the diameter of outer carrier change, outer oil film thickness changes; When the diameter of bearing inner race 14 diameter and/or high-speed main spindle changes, internal layer oil slick thickness changes.
When the shape of bearing spiral chute 16 and cross-section area change, the circulating load of lubricant oil changes, thus controls the temperature of lubricant oil.
When the cross-section area of bearing spiral chute 16 changes, in bearing, the bearing capacity of oil film changes.Therefrom can find out, the major parameter of spiral chute sliding bearing has bearing outer ring 12 Effective face width and diameter, bearing inner race 14 Effective face width and diameter, annular oil groove 11 width, the width of the quantity of oilhole 13 and size and inner ring groove 15, the shape of bearing spiral chute 16 and cross-section area.The internal layer oil film of adjustment spiral chute sliding bearing and outer oil film Effective face width and inside and outside oil film effective thickness can adjust the rotating speed of spiral chute sliding bearing.Change spiral chute sliding bearing relative velocity, because square being directly proportional of friction power loss and relative rotation speed, the power consumption of spiral chute sliding bearing changes thereupon.Therefore can be optimized design to it by the inside and outside oil film Effective face width of adjustment spiral chute sliding bearing and inside and outside oil film effective thickness, thus ensure spiral chute sliding bearing safe and reliable operation under the minimum condition of friction power loss.Spiral chute can be set to multiple, and spiral fluted cross section can be triangle or circular arc.
Simultaneously, the heat produced between spiral chute sliding bearing and high-speed main spindle reduces accordingly, lubricating oil temperature between high-speed main spindle and spiral chute sliding bearing reduces, on the other hand can by the size of the cross-section area of spiral chute 16, regulate the circulating load of lubricant oil, thus control the temperature of lubricant oil, reduce the risk of lubricant oil charing, improve the reliability of centrifugal pump.The Effective face width of outer oil film can be determined by bearing outer ring width and annular oil groove width.The Effective face width of internal layer oil film can be determined by bearing inner race width and recess width.Outer oily effective film can be determined by the diameter of the diameter of bearing outer ring and bearing support.Interior oily effective film can be determined by the diameter of the diameter of bearing inner race and high-speed main spindle.
Fig. 4 is the schematic diagram of the utility model centrifugal pump, and as shown in the figure, centrifugal pump of the present utility model comprises: low speed shaft 2, clutch shaft bearing 3, low speed gear 4, high gear 5, high-speed main spindle 6 and spiral chute sliding bearing 1.
Low speed shaft 2 is supported by clutch shaft bearing 3, rotates in the driving of external prime mover 9; Low speed gear 4 is connected with low speed shaft 2, is rotated by the driving of low speed shaft 2; High gear 5 and low speed gear 4 phase tooth and, rotated by the driving of low speed gear 4; High-speed main spindle 6 is connected with high gear 5, is rotated by the driving of high gear 5.
Centrifugal pump of the present utility model is high speed centrifugal pump, refers to the external prime mover of employing standard, and improve rotating speed by speed-changing gear box (comprising low speed gear 4 and high gear 5), rotating speed is more than 3000 turns of per minutes, and maximum speed can reach 30000 turns of per minutes.The utility model centrifugal pump can select corresponding material, as stainless steel, Cuprum alloy etc.The material of spiral chute sliding bearing can be Cuprum alloy.
Shown in Fig. 1-Fig. 3, spiral chute sliding bearing comprises bearing body 10, annular oil groove 11, bearing outer ring 12, oilhole 13, bearing inner race 14 and spiral chute 16.Annular oil groove 11 goes in ring and is arranged at outside bearing body 10, the lubricant oil of accommodating outside supply; Bearing outer ring 12 is positioned at outside the bearing body 10 of annular oil groove 11 both sides, and establish with outer carrier is sliding, the lubricant oil supplied by annular oil groove when spiral chute sliding bearing and bearing support relatively rotate forms outer oil film between bearing outer ring 12 and bearing support; Penetrating being arranged in annular oil groove 11 of oilhole 13 communicates with spiral chute 16; Bearing inner race 14 is positioned at inside bearing body 10, establish with outside high-speed main spindle is sliding, bearing inner race 14 inwall has many spiral chutes 16, be conducted by oilhole 13 and annular oil groove 11, the lubricant oil supplied by annular oil groove 11 when high-speed main spindle and spiral chute sliding bearing relatively rotate forms internal layer oil film through oil-through hole 13 and spiral chute 16 between bearing inner race 14 and high-speed main spindle.
Again as shown in the figure, spiral chute sliding bearing also comprises inner ring groove 15, is positioned at the inner side of bearing body 10, and connects with bearing inner race 14, and when inner ring groove 15 width changes and/or bearing inner race 14 width changes, internal layer oil film width changes.In addition, when bearing outer ring 12 width changes and/or annular oil groove 11 width changes, outer oil film width changes.When the diameter of bearing outer ring 12 and/or the diameter of outer carrier change, outer oil film thickness changes; When the diameter of bearing inner race 14 diameter and/or high-speed main spindle changes, internal layer oil slick thickness changes.
Concrete, more as shown in Figure 4, centrifugal pump also comprises oil pump 7, is connected, supplies lubricant oil by pressure to annular oil groove by oil circuit 8 with spiral chute sliding bearing 1.Centrifugal pump of the present utility model drives the low speed shaft 2 be supported on clutch shaft bearing 3 by external prime mover 9.Low speed shaft 2 drives high gear 5 high speed rotating by the low speed gear 4 of speed-changing gear box.High gear 5 drives the high-speed main spindle 6 be supported on spiral chute sliding bearing 1, high-speed main spindle 6 impeller 90 High Rotation Speed, thus pumped medium is to the lift of specifying.In order to ensure the good lubrication of floating auger groove sliding bearing 1, oil pump 7 carries out pressure pressure lubrication to floating auger groove sliding bearing 1 respectively by oil circuit 8.
The support of the high-speed main spindle of the utility model centrifugal pump adopts spiral chute sliding bearing, and spiral chute sliding bearing has the double-layer oil film of internal layer oil film and outer oil film, freely can rotate between bearing support and high-speed main spindle.
One deck oil film of spiral chute sliding bearing is outer oil film between bearing support and bearing outer ring, and another layer of oil film is internal layer oil film between high-speed main spindle and bearing inner race.When high-speed main spindle High Rotation Speed time, interior oil drag power provides power, drive spiral chute sliding bearing to rotate, and the frictional force of outer oil film is resistance, hinders spiral chute sliding bearing to rotate.When the frictional force of interior oil film is greater than the frictional force of outer oil film, spiral chute sliding bearing accelerates to rotate.Reach state of equilibrium when the frictional force of interior oil film action on spiral chute sliding bearing equals outer oil film action to during surface friction drag on spiral chute sliding bearing, spiral chute sliding bearing at the uniform velocity rotates.The major parameter of spiral chute sliding bearing has the slenderness ratio (ratio of bearing width and bearing radius) of bearing, outer oil film effective length, and interior oil film effective length, has effective film thickness and interior oil film effective thickness outward.
Outer oil film effective length refers to the Effective face width coordinated between bearing outer ring and bearing support, is numerically equal to the width that bearing outer ring width deducts annular oil groove.Interior oil film effective length refers to the Effective face width coordinated between bearing inner race with high-speed main spindle, is numerically equal to the width that bearing inner race width deducts two ends groove.
Outer oil slick thickness refers to the oil slick thickness between bearing outer ring and bearing support, is numerically equal to the radius of bearing support and the difference of spiral chute sliding bearing outer radii.Interior oil slick thickness refers to the oil slick thickness between bearing inner race and high-speed main spindle, is numerically equal to the difference of the inner radii of bearing and the radius of high-speed main spindle.
According to different load and different design speeds, by the length and inside and outside oil slick thickness adjusting internal layer oil film and outer oil film, spiral chute plain bearing unit can be optimized, guarantee that high-speed main spindle rotor-bearing system efficient stable runs.Thus ensure that centrifugal pump is efficient, safe and stable operation.
In the running up of centrifugal pump, floating auger groove sliding bearing runs with certain speed, the rotating speed of usual spiral chute sliding bearing be the 0.1-0.3 of high-speed main spindle rotating speed doubly).Due to the rotation of spiral chute sliding bearing, reduce the relative velocity between high-speed main spindle and spiral chute sliding bearing.Theoretical according to friction energy loss, square being directly proportional of friction power loss and relative velocity.By 0.2 times of calculating that spiral chute sliding bearing mean velocity is high-speed main spindle speed, in general, compare with the fixing spiral chute sliding bearing of employing, adopt and optimize, namely according to different loads and running speed, the high speed centrifugal pump friction power loss of the floating auger groove sliding bearing of the width of oil film and the thickness of inside and outside oil film inside and outside spiral chute sliding bearing is reasonably selected to decrease beyond 30%.
Centrifugal pump high-speed main spindle of the present utility model adopts floating auger groove sliding bearing to support.Because friction power loss between high-speed main spindle and spiral chute sliding bearing reduces, the heat produced between high-speed main spindle and spiral chute sliding bearing reduces, on the other hand, controlled the circulating load of lubricant oil by spiral fluted cross-section area, thus control the temperature of lubricant oil between high-speed main spindle and spiral chute sliding bearing.Thus reduce the risk of lubricant oil charing between high-speed main spindle and spiral chute sliding bearing, ensure the safe and reliable operation of high speed centrifugal pump.
The vibration that high-speed main spindle and high gear etc. produce is delivered on spiral chute sliding bearing by the oil film between high-speed main spindle and spiral chute sliding bearing, and then is delivered on bearing support by the oil film between spiral chute sliding bearing and bearing support.Outer oil film and interior oil film are all equivalent to a damper.Therefore compare with individual layer oil film spiral chute sliding bearing, how the floating auger groove sliding bearing with two-layer oil film has been equivalent to a damper, and the vibration be therefore delivered on bearing support reduces.
The high-speed main spindle of centrifugal pump of the present utility model adopts the floating auger groove sliding bearing of double-layer oil film to support.Due to the reduction of friction power loss between high-speed main spindle and spiral chute sliding bearing, improve the mechanical efficiency of centrifugal pump; Because the heat produced between high-speed main spindle and spiral chute sliding bearing reduces, on the other hand, controlled the circulating load of lubricant oil by spiral fluted cross-section area, thus control the temperature between high-speed main spindle and spiral chute sliding bearing.Thus reduce the risk of lubricant oil charing between high-speed main spindle and spiral chute sliding bearing, improve the reliability of high speed centrifugal pump; The two-layer film damper that passes through of mechanical vibration reduces, and reduces vibration and the noise level of high speed centrifugal pump.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (14)
1. a spiral chute sliding bearing, is characterized in that, described spiral chute sliding bearing comprises bearing body, also comprises:
Annular oil groove, annular is arranged at outside described bearing body, the lubricant oil of accommodating outside supply;
Bearing outer ring, outside the bearing body being positioned at described annular oil groove both sides, establish with outer carrier is sliding, the lubricant oil by supplying described annular oil groove when described spiral chute sliding bearing and described bearing support relatively rotate forms outer oil film between described bearing outer ring and described bearing support;
Oilhole, is penetratingly arranged in described annular oil groove;
Bearing inner race, be positioned at inside described bearing body, establish with outside high-speed main spindle is sliding, described bearing inner race inwall has many spiral chutes, be conducted by described oilhole and described annular oil groove, the lubricant oil supplied by described annular oil groove when described high-speed main spindle and described spiral chute sliding bearing relatively rotate forms internal layer oil film by spiral chute through described oilhole between described bearing inner race and described high-speed main spindle.
2. spiral chute sliding bearing according to claim 1, it is characterized in that, described spiral chute sliding bearing also comprises inner ring groove, be positioned at the inner side of described bearing body, and connect with described bearing inner race, when described inner ring recess width changes and/or described bearing inner race width changes, described internal layer oil film width changes.
3. spiral chute sliding bearing according to claim 1, is characterized in that, when described bearing outer ring width changes and/or described annular oil groove width changes, described outer oil film width changes.
4. spiral chute sliding bearing according to claim 1, is characterized in that, when the diameter of described bearing outer ring and/or the diameter of described outer carrier change, described outer oil film thickness changes; When the diameter of described bearing inner race diameter and/or described high-speed main spindle changes, described internal layer oil slick thickness changes.
5. spiral chute sliding bearing according to claim 1, is characterized in that, described spiral chute is multiple, and described spiral fluted cross section is triangle or circular arc.
6. spiral chute sliding bearing according to claim 1, is characterized in that, when described spiral fluted quantity and width change, described lubrication oil circulation amount changes, the temperature change of described internal layer oil film.
7. a centrifugal pump, is characterized in that, described centrifugal pump comprises:
Low speed shaft, is supported by clutch shaft bearing, rotates under the driving of external prime mover, and wherein, described external prime mover is motor;
Low speed gear, is connected with described low speed shaft, is rotated by the driving of described low speed shaft;
High gear, with described low speed gear phase tooth and, rotated by the driving of described low speed gear;
High-speed main spindle, is connected with described high gear, is rotated by the driving of described high gear;
Spiral chute sliding bearing, comprises bearing body, also comprises:
Annular oil groove, annular is arranged at outside described bearing body, the lubricant oil of accommodating supply;
Bearing outer ring, outside the bearing body being positioned at described annular oil groove both sides, establish with outer carrier is sliding, the lubricant oil supplied by described annular oil groove when described spiral chute sliding bearing and described bearing support relatively rotate forms outer oil film between described bearing outer ring and described bearing support;
Oilhole, is penetratingly arranged in described annular oil groove;
Bearing inner race, be positioned at inside described bearing body, establish with described high-speed main spindle is sliding, described bearing inner race inwall has many spiral chutes, be conducted by described oilhole and described annular oil groove, the lubricant oil supplied by described annular oil groove when described high-speed main spindle and described spiral chute sliding bearing relatively rotate forms internal layer oil film by spiral chute through described oilhole between described bearing inner race and described high-speed main spindle.
8. centrifugal pump according to claim 7, is characterized in that, described centrifugal pump also comprises oil pump, is connected, supplies described lubricant oil by pressure to described annular oil groove by oil circuit with described spiral chute sliding bearing.
9. centrifugal pump according to claim 7, it is characterized in that, described spiral chute sliding bearing also comprises inner ring groove, be positioned at the inner side of described bearing body, and connect with described bearing inner race, when described inner ring recess width changes and/or described bearing inner race width changes, described internal layer oil film width changes.
10. centrifugal pump according to claim 7, is characterized in that, when described bearing outer ring width changes and/or described annular oil groove width changes, described outer oil film width changes.
11. centrifugal pumps according to claim 7, is characterized in that, when the diameter of described bearing outer ring and/or the diameter of described outer carrier change, described outer oil film thickness changes; When the diameter of described bearing inner race diameter and/or described high-speed main spindle changes, described internal layer oil slick thickness changes.
12. centrifugal pumps according to claim 7, is characterized in that, described spiral chute is multiple, and described spiral fluted cross section is triangle or circular arc.
13. centrifugal pumps according to claim 7, is characterized in that, when described spiral fluted quantity and width change, described lubrication oil circulation amount changes, the temperature change of described internal layer oil film.
14. centrifugal pumps according to claim 7, is characterized in that, when described spiral fluted shape and cross section change, the supporting plane of described clutch shaft bearing changes, and the bearing capacity of described internal layer oil film changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436182.2U CN204152953U (en) | 2014-08-04 | 2014-08-04 | Spiral chute sliding bearing and centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436182.2U CN204152953U (en) | 2014-08-04 | 2014-08-04 | Spiral chute sliding bearing and centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152953U true CN204152953U (en) | 2015-02-11 |
Family
ID=52511073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420436182.2U Expired - Lifetime CN204152953U (en) | 2014-08-04 | 2014-08-04 | Spiral chute sliding bearing and centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152953U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114466A (en) * | 2015-10-14 | 2015-12-02 | 如皋市非标轴承有限公司 | Rolling bearing |
| CN105333003A (en) * | 2014-08-04 | 2016-02-17 | 威乐(中国)水泵***有限公司 | Spiral groove sliding bearing and centrifugal pump |
| CN109372597A (en) * | 2018-11-30 | 2019-02-22 | 江苏理工学院 | A kind of adjustable turbocharger |
-
2014
- 2014-08-04 CN CN201420436182.2U patent/CN204152953U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333003A (en) * | 2014-08-04 | 2016-02-17 | 威乐(中国)水泵***有限公司 | Spiral groove sliding bearing and centrifugal pump |
| CN105333003B (en) * | 2014-08-04 | 2018-10-19 | 威乐(中国)水泵***有限公司 | Helicla flute sliding bearing and centrifugal pump |
| CN105114466A (en) * | 2015-10-14 | 2015-12-02 | 如皋市非标轴承有限公司 | Rolling bearing |
| CN109372597A (en) * | 2018-11-30 | 2019-02-22 | 江苏理工学院 | A kind of adjustable turbocharger |
| CN109372597B (en) * | 2018-11-30 | 2021-05-18 | 江苏理工学院 | Adjustable turbocharger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2342456B1 (en) | Bearing for wind turbine | |
| CN105422745B (en) | Planetary gear retarding stage in wind-driven generator wheel-box | |
| CN204152953U (en) | Spiral chute sliding bearing and centrifugal pump | |
| CN103953641B (en) | Sliding bearing and centrifugal pump | |
| CN103335017A (en) | Radially and axially integrated sliding bearing | |
| CN105333003A (en) | Spiral groove sliding bearing and centrifugal pump | |
| CN104790876A (en) | Petroleum drilling oscillator | |
| CN203822844U (en) | Sliding bearing and centrifugal pump | |
| CN205446565U (en) | Planet wheel retarding stage among wind -driven generator gear case | |
| CN202812151U (en) | Bearing lubrication structure of reduction gearbox | |
| CN103939472B (en) | Sliding bearing of double-screw compressor | |
| CN101059151A (en) | Floating sliding bearing with forced lubrication function for rotary machine | |
| CN203803577U (en) | Ball mill | |
| CN103075500B (en) | The monorail crane speed reducer of clockwise and anticlockwise Castor Oil | |
| CN102032267B (en) | Sliding bearing of spiral floating bushing | |
| CN103717923B (en) | For the tilting section journal bearing of single shaft fluid machinery | |
| CN202690995U (en) | Bearing lubricating structure of reduction gearbox | |
| CN206071786U (en) | It is a kind of to reduce the warm axle neck of hydraulic generator pilot bearing watt | |
| CN204664139U (en) | A kind of powder metallurgy oil-impregnated bearing increasing oil reserve | |
| CN106050922B (en) | The sliding bearing of self-circulation type | |
| CN204357937U (en) | Cooling type bearing | |
| CN201964124U (en) | Bearing lubricating device with oil slinger | |
| CN103322067A (en) | Conical dynamic pressure spiral groove bearing containing self-lubricating material | |
| CN204239471U (en) | A kind of oil ring for high rotating speed sliding bearing | |
| CN202176705U (en) | Improved lubrication structure of wind driven generator gear case planet components |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |