CN201412380Y - Oil self-supply bearing device of multistage centrifugal pump - Google Patents
Oil self-supply bearing device of multistage centrifugal pump Download PDFInfo
- Publication number
- CN201412380Y CN201412380Y CN 200920076318 CN200920076318U CN201412380Y CN 201412380 Y CN201412380 Y CN 201412380Y CN 200920076318 CN200920076318 CN 200920076318 CN 200920076318 U CN200920076318 U CN 200920076318U CN 201412380 Y CN201412380 Y CN 201412380Y
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- Prior art keywords
- bearing
- centrifugal pump
- oil
- drive
- drive end
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Abstract
The utility model provides an oil self-supply bearing device of a multistage centrifugal pump. The oil self-supply bearing device comprises a centrifugal pump main shaft, a drive-end bearing componentand a non-drive-end bearing component, wherein the drive-end bearing component comprises a drive-end bearing seat and a drive-end rolling bearing; the non-drive-end bearing component comprises a bearing chamber, a cylinder bearing and a thrust bearing; a pair of rack and pinion gears are arranged at the shaft end of the centrifugal pump main shaft, and the gear group can drive one gear pump to work; the inlet end of the gear pump is connected with an oil tank by an oil pipe; and the outlet end of the gear pump is connected with a main oil supply circuit used for supplying oil for the drive-end bearing component and the non-drive-end bearing component. The oil self-supply bearing device can realize self lubrication of a centrifugal pump bearing and can effectively take away friction heat,so that the bearing can keep in good working state all the time; meanwhile, the device has the advantages of compact structure and convenient use.
Description
Technical field
The utility model relates to a kind of bearing means, in particular for the bearing means of multistage centrifugal pump, and particularly a kind of multistage centrifugal pump confession oil bearing device.
Background technique
At present, the bearing lubrication structure that the prior art multistage centrifugal pump is commonly used has following several: 1. rolling bearing fatten lubricating structure, and this structure only is adapted to the centrifugal pump of small-power, middle and slow speed of revolution, and bearing lubrication is not good.2. rolling bearing adds the thin oil lubricant structure, and this structure is to spill oil by disc to realize lubricating, and it is adapted to the centrifugal pump of middle low power, middle and slow speed of revolution, and its bearing lubrication performance is better than grease lubrication effect structure, but causes that easily bearing heats up.Sliding bearing add outer for the lubricant oil station structure, high-power during this structure is applicable to, in high-revolving centrifugal pump, bearing is pressure lubrication, its greasy property is better; But this structure needs configuration lubricant oil station separately, and cost is higher, and must open oil pump in advance before the pump group starts, and the quality of oil station reliability directly has influence on the lubrication effect of pump group.
Therefore, the bearing lubrication structure of prior art multistage centrifugal pump, perhaps lubrication effect is bad, perhaps complex structure, cost is higher.
Summary of the invention
The utility model is for solving in the prior art, the bearing lubrication structure of multistage centrifugal pump, perhaps lubrication effect is bad, perhaps complex structure, the cost technical problems of high, a kind of multistage centrifugal pump confession oil bearing device is provided, and it takes special structural design, can realize the selflubricating of centrifugal pump bearing, and can take away frictional heat effectively, make bearing be in the works fine state, this apparatus structure compactness is easy to use simultaneously always.
In order to achieve the above object, the technological scheme that the utility model adopted is, a kind of multistage centrifugal pump confession oil bearing device is provided, and it comprises centrifugal pump main shaft, drive end bearing parts, non-driven-end bearing parts; Described drive end bearing parts comprise drive end axle bearing, drive end rolling bearing; Described non-driven-end bearing parts comprise bearing chamber, cylindrical bearing, thrust-bearing; Described centrifugal pump main-axis end is provided with a pair of big small gear, and described small gear drives the gearwheel rotation; Described gearwheel is connected with a gear pump; The entry end of described gear pump is connected with a fuel tank by oil pipe, and the outlet end of described gear pump connects the main fuel feeding road of promising drive end bearing parts and non-driven-end bearing parts fuel feeding.
Further, described main fuel feeding road is divided into drive end bearing fuel feeding branch road and non-driven-end bearing fuel feeding branch road by three-way pipe; Described drive end bearing fuel feeding branch road is connected with the drive end axle bearing by oil pipe, and described drive end axle bearing is connected with fuel tank by return tube; Described non-driven-end bearing fuel feeding branch road is connected with the non-driven-end bearing chamber by oil pipe, and described non-driven-end bearing chamber is connected with fuel tank by return tube.
Further, the outlet end of described gear pump is provided with a relief valve, and described relief valve is connected on the fuel tank by return tube.
Further, described main fuel feeding road is provided with cooler and filter, and described main fuel feeding road is connected with described three-way pipe by behind cooler and the filter.
Further, described relief valve is provided with oil pressure indicator.
Further, all be provided with temperature measuring element on described drive end rolling bearing, anti-drive end cylindrical bearing, the anti-drive end thrust-bearing, described temperature measuring element transfers to control cabinet by datawire with temperature signal.
Further, described fuel tank is fixed on the non-driven-end bearing parts.
In the running, before the centrifugal pump group started, the drive end bearing parts were owing to have certain lubricant oil in the cavity of drive end axle bearing, and the non-driven-end bearing parts do not need prelubricated bearing owing to have certain lubricant oil in the bearing chamber cavity; After the centrifugal pump group started, centrifugal pump main shaft driven gear pump work carried out pressure lubrication by main fuel feeding road to drive end bearing parts and non-driven-end bearing parts, had played the effect of lubricated and cooling simultaneously, made bearing be in the works fine state always.
The utility model compared with prior art, its effect is actively and significantly.At first, around the control bearing an amount of lubricant oil is arranged, do not need to carry out pre-lubrication by the cavity effect of bearing support or bearing chamber; Secondly by the design of a plurality of loops, can guarantee effectively that bearing support lubricant oil can not occur and overflow phenomenon; The 3rd, this bearing structure starts along with centrifugal pump and moves, and can realize the selflubricating of bearing; The 4th, the cooling action that pressure lubrication is followed guarantees that bearing is in the works fine state always; The 5th, bearing part and fuel tank are designed to one, and compact structure is saved the space; The 6th, be provided with temperature measuring element on each bearing, can effectively detect the temperature variation of bearing.
Description of drawings
Fig. 1 is the sectional drawing of the utility model multistage centrifugal pump confession oil bearing device;
Fig. 2 is the right side view of the utility model multistage centrifugal pump confession oil bearing device;
Fig. 3 is the plan view of the utility model multistage centrifugal pump confession oil bearing device.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, the utility model comprises centrifugal pump main shaft 1, drive end bearing parts and non-driven-end bearing parts; The drive end bearing parts comprise drive end axle bearing 2, drive end rolling bearing 3; The non-driven-end bearing parts comprise bearing chamber, cylindrical bearing 4, thrust-bearing 5.Axle head at the centrifugal pump main shaft is provided with a pair of big small gear, and small gear 6 drives gearwheel 7 rotations, and gearwheel 7 is connected with gear pump 8; The entry end of gear pump 8 is connected with fuel tank 9; The outlet end of gear pump 8 is drive end bearing parts and non-driven-end bearing parts fuel feeding by main fuel feeding road.
As Fig. 1, Fig. 2 and shown in Figure 3, the outlet end of gear pump 8 is provided with relief valve 10, and relief valve 10 is provided with oil pressure indicator 11; Relief valve 10 is connected on the fuel tank 9 by return tube 26.Main fuel feeding road is connected with cooler 12 and filter 13 through behind the relief valve 10, is connected with three-way pipe 14 then.Through the shunting action of three-way pipe 14, main fuel feeding road is a non-driven-end bearing part fuel feeding by oil pipe 22, is drive end bearing part fuel feeding by oil pipe 23.Oil pipe 23 is connected with the cavity of drive end axle bearing 2, and drive end axle bearing 2 is connected with fuel tank 9 by return tube 24.Oil pipe 22 is connected with the built-in oil pipe 25 of non-driven-end bearing part, and built-in oil pipe 25 and non-driven-end bearing chamber are communicated with; The non-driven-end bearing chamber is connected with fuel tank 9 by return tube 21.
As shown in Figure 1, all be provided with temperature measuring element 15 on drive end rolling bearing 3, cylindrical bearing 4, the thrust-bearing 5, temperature measuring element 15 transfers to control cabinet by datawire with temperature signal; Fuel tank 9 is fixed on nonpowered axle and holds on the parts.
In the running, before the centrifugal pump group starts, have certain lubricant oil in the cavity of drive end axle bearing 2 and non-driven-end bearing chamber, so drive end rolling bearing 3, cylindrical bearing 4, thrust-bearing 5 do not need prelubricated bearing; After the centrifugal pump group started, centrifugal pump main shaft 1 drove big or small gear train, promoted gear pump 8 work; Gear pump 8 is drawn lubricant oil from fuel tank 9 bottoms, through relief valve 10, can demonstrate the oil pressure that has through relief valve 10 by oil pressure indicator 11; Lubricant oil can both satisfy the bearing lubrication condition aspect oil pressure, the oily gentle turbidity test behind supercooler 12 and filter 13, be divided into drive end bearing fuel feeding branch road and non-driven-end bearing fuel feeding branch road by three-way pipe 14; On the drive end bearing fuel feeding branch road, flow in the drive end axle bearing 2 by oil pipe 23, for drive end bearing 3 provides lubricated, lubricated back flows in the fuel tank 9 by return tube 24; On the non-driven-end bearing fuel feeding branch road, it is indoor to flow into non-driven-end bearing by oil pipe 22 inflow non-driven-end bearings built-in oil pipe 25 partly, a part enters cylindrical bearing 4 after shunting, a part enters thrust-bearing 5, get back to fuel tank 9 through return tube 21 after entering the lubricant oil cooling bearing of cylindrical bearing 4, the lubricant oil that enters thrust-bearing 5 is got back to fuel tank 9 through return tube 21 after taking away the heat that thrust disc produces.So just finished a work loop of the present utility model.
Claims (7)
1. a multistage centrifugal pump confession oil bearing device comprises centrifugal pump main shaft, drive end bearing parts, non-driven-end bearing parts; Described drive end bearing parts comprise drive end axle bearing, drive end rolling bearing; Described non-driven-end bearing parts comprise bearing chamber, cylindrical bearing, thrust-bearing; It is characterized in that: described centrifugal pump main-axis end is provided with a pair of big small gear, and described small gear drives the gearwheel rotation; Described gearwheel is connected with a gear pump; The entry end of described gear pump is connected with a fuel tank by oil pipe, and the outlet end of described gear pump connects the main fuel feeding road of promising drive end bearing parts and non-driven-end bearing parts fuel feeding.
2. a kind of multistage centrifugal pump confession oil bearing device as claimed in claim 1, it is characterized in that: described main fuel feeding road is divided into drive end bearing fuel feeding branch road and non-driven-end bearing fuel feeding branch road by three-way pipe; Described drive end bearing fuel feeding branch road is connected with the drive end axle bearing by oil pipe, and described drive end axle bearing is connected with fuel tank by return tube; Described non-driven-end bearing fuel feeding branch road is connected with the non-driven-end bearing chamber by oil pipe, and described non-driven-end bearing chamber is connected with fuel tank by return tube.
3. a kind of multistage centrifugal pump confession oil bearing device as claimed in claim 1, it is characterized in that: the outlet end of described gear pump is provided with a relief valve, and described relief valve is connected on the fuel tank by return tube.
4. a kind of multistage centrifugal pump confession oil bearing device as claimed in claim 2, it is characterized in that: described main fuel feeding road is provided with cooler and filter, and described main fuel feeding road is connected with described three-way pipe by behind cooler and the filter.
5. a kind of multistage centrifugal pump confession oil bearing device as claimed in claim 3, it is characterized in that: described relief valve is provided with oil pressure indicator.
6. as any one described a kind of multistage centrifugal pump confession oil bearing device of claim 1 to 5, it is characterized in that: all be provided with temperature measuring element on described drive end rolling bearing, anti-drive end cylindrical bearing, the anti-drive end thrust-bearing, described temperature measuring element transfers to control cabinet by datawire with temperature signal.
7. as any one described a kind of multistage centrifugal pump confession oil bearing device of claim 1 to 5, it is characterized in that: described fuel tank is fixed on the non-driven-end bearing parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920076318 CN201412380Y (en) | 2009-06-16 | 2009-06-16 | Oil self-supply bearing device of multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920076318 CN201412380Y (en) | 2009-06-16 | 2009-06-16 | Oil self-supply bearing device of multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412380Y true CN201412380Y (en) | 2010-02-24 |
Family
ID=41714264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920076318 Expired - Fee Related CN201412380Y (en) | 2009-06-16 | 2009-06-16 | Oil self-supply bearing device of multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412380Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982459A (en) * | 2014-06-03 | 2014-08-13 | 无锡杰尔压缩机有限公司 | Oil returning machine with temperature measuring device |
| CN109798435A (en) * | 2019-03-28 | 2019-05-24 | 山西潞安广源工贸有限公司 | Mine pneumatic motor lubricating device |
-
2009
- 2009-06-16 CN CN 200920076318 patent/CN201412380Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982459A (en) * | 2014-06-03 | 2014-08-13 | 无锡杰尔压缩机有限公司 | Oil returning machine with temperature measuring device |
| CN103982459B (en) * | 2014-06-03 | 2016-05-18 | 无锡杰尔压缩机有限公司 | With the oil scavenger of temperature measuring equipment |
| CN109798435A (en) * | 2019-03-28 | 2019-05-24 | 山西潞安广源工贸有限公司 | Mine pneumatic motor lubricating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120616 |