CN206360885U - A kind of efficient rotor type thickened oil pump - Google Patents
A kind of efficient rotor type thickened oil pump Download PDFInfo
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- CN206360885U CN206360885U CN201621233500.0U CN201621233500U CN206360885U CN 206360885 U CN206360885 U CN 206360885U CN 201621233500 U CN201621233500 U CN 201621233500U CN 206360885 U CN206360885 U CN 206360885U
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Abstract
A kind of efficient rotor type thickened oil pump, includes the overall pump housing, the pump cover of pump housing both sides, the main shaft of pump body, stator, rotor and valve plate, and structure is：The described stator inner surface cross section curve corresponding with rotor is made up of 8 sections of smoothed curve connections, and the curve of wherein upper and lower ends is that radius is R1Camber line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；Upper left, upper right, bottom right, the easement curve of lower-left is high order curve.Pump housing inner flow passage is two-stage series connection structure, wherein being provided with the balance plate of annular on the end face of valve plate and middle valve plate.By said structure, the utility model rotor stress in rotation process is optimal, and no impact and vibrations, operation noise are low；Two-stage series connection structure, doubles the pressure of pump, leakage is reduced, using efficient；The balance plate on relief groove and valve plate in rotor slot can effectively balance radial load and axial force, eliminate the abrasion between slide plate and stator, improve the service life and operating efficiency of pump.
Description
Technical field
The utility model is related to a kind of oil pump, more particularly to thick suitable for a kind of efficient rotor type of transfer of highly viscous viscous crude
Oil pump.
Background technology
Existing sliding-vane pump is mainly used in the compression pump in hydraulic system, light oil and product oil for conveying cleaning.By
In the structure that it is used, it is not suitable for the viscous mediums such as conveying crude oil, viscous crude, can not realizes that Oil, Water, Gas is mixed defeated.And show
In reality, in the industries such as oil, chemical industry, the medium such as crude oil is the viscous medium of the mixing containing Oil, Water, Gas, using existing
Slide plate pump configuration can not meet such demand.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of efficient rotor type thickened oil pump, stator and rotor
Corresponding inner surface cross section curve is made up of 8 sections of smoothed curve connections, and the curve of wherein upper and lower ends is that radius is R1Arc
Line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；Upper left, upper right, bottom right, the easement curve of lower-left is
High order curve.Pump housing inner flow passage is two-stage series connection structure, wherein being provided with annular on the end face of valve plate and middle valve plate
Balance plate.By said structure, solve existing oil pump structure present in prior art and be not suitable for viscous crude and mixing original
The technical problem of oil.
To achieve these goals, the technical solution adopted in the utility model is：A kind of efficient rotor type thickened oil pump, including
There are the overall pump housing, the pump cover of pump housing both sides, the main shaft of pump body, stator, rotor and valve plate, it is characterised in that：It is described
The stator inner surface cross section curve corresponding with stator be made up of 8 sections of smoothed curves connections, the curve of wherein upper and lower ends is
Radius is R1Camber line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；Upper left, upper right, bottom right, lower-left
Easement curve is high order curve.
Uniformly it is provided with the excircle of described rotor on multiple grooves, groove and is provided with relief groove and is provided with spring,
Slide plate is connected with spring, slide plate can be in stator and the space Analaysis on Elastic Slide of rotor.
Described pump housing inner flow passage is two-stage series connection structure, and main shaft and two stators, two stators are provided with the pump housing
Between separated by middle valve plate.
The balance plate of annular is installed on the end face of described valve plate and middle valve plate, balance plate be arranged on stator with
Between rotor.
The beneficial effects of the utility model are：Utility model provides a kind of efficient rotor type thickened oil pump, and stator is with turning
The corresponding inner surface cross section curve of son is made up of 8 sections of smoothed curve connections, and the curve of wherein upper and lower ends is that radius is R1's
Camber line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；Upper left, upper right, bottom right, the easement curve of lower-left are equal
For high order curve.Pump housing inner flow passage is two-stage series connection structure, wherein being provided with ring on the end face of valve plate and middle valve plate
The balance plate of shape.By said structure, the utility model rotor stress in rotation process is optimal, no impact and vibrations,
Run noise low；Two-stage series connection structure, doubles the pressure of pump, leakage is reduced, using efficient；Pressure in rotor slot is put down
Balance plate on weighing apparatus groove and valve plate can effectively balance radial load and axial force, eliminate the abrasion between slide plate and stator, carry
The service life and operating efficiency of high pump.
Brief description of the drawings
Fig. 1：For utility model structural representation.
Fig. 2：For stator structure schematic diagram.
Fig. 3：For Fig. 2 close-up schematic view.
Fig. 4：For stator outer surface expanded schematic diagram in Fig. 2.
Fig. 5：Rotor structure schematic diagram.
Fig. 6：For Fig. 5 partial sectional view.
Fig. 7：A-A profiles in Fig. 1.
Fig. 8：For the installment state schematic diagram of two stators in the pump housing.
Fig. 9：For pump body structure schematic diagram.
Embodiment
A kind of efficient rotor type thickened oil pump, includes the overall pump housing 1, the pump cover 2 of the both sides of the pump housing 1, bearing block 10, supporting
Main shaft 11, stator 3, rotor 4 and valve plate 6 inside bearing I 12, bearing support II13 and mechanical seal body 14, the pump housing 1, its
It is characterised by：The described stator 2 inner surface cross section curve 3-1 corresponding with rotor 4 is made up of 8 sections of smoothed curve connections, its
The curve of middle upper and lower ends is that radius is R1Camber line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；It is left
Upper, upper right, bottom right, the easement curve of lower-left is high order curve.High order curve shape specific formula for calculation is：
Symbol definition is shown in AOB Local maps in Fig. 3 in formula, wherein：
α is total argument of stator curve, α=48 °~60 °；
For the argument of stator curve,
It is for stator curve argumentWhen radius, ρ (0)=R1, ρ (α)=R2；
R1For the short radius of stator, R1=rotor radius+(0.5~1) mm；
R2For stator major radius, R2=(1.1~1.2) R1；
a1、a2、a3, a4By the contrast test of our kinds of schemes, a is preferably determined1=18, a2=-44, a3=36, a4
It is optimum coefficient when=- 9, Use Limitation fruit is best.
Uniformly it is provided with the excircle of rotor 4 and is provided with relief groove 4-2 on multiple groove 4-1, groove 4-1 and is provided with bullet
Slide plate 5 is connected with spring 9, spring 9, slide plate 5 can be in stator 3 and the space Analaysis on Elastic Slide of rotor 4.Pass through said structure energy
The radial load that enough active balances are acted on slide plate, reduces the abrasion between slide plate and stator.
Stator 3 and rotor 4 are used in combination, when slide plate 5 is slided on curve, accept optimal, no impact endurance test shock, noise
It is low.
The described inner flow passage of the pump housing 1 is two-stage series connection structure, and main shaft 11 and two stators 3, two are provided with the pump housing 1
Separated between stator 3 by middle valve plate 7.
The balance plate 8 of annular is installed, balance plate 8 is arranged on fixed on described valve plate 6 and the end face of middle valve plate 7
Between son 3 and rotor 4., can be with active balance axial force by adjusting the size of balance plate internal diameter and external diameter.And can eliminate
Abrasion between slide plate and stator, the service life and operating rate of extension fixture.
The pump housing as shown in Figure 7, with I, II, III, three annular chambers, the first chamber is communicated with pump housing suction inlet, the 3rd chamber
Communicated with pump housing delivery outlet.Operationally, main shaft drives two rotor rotations to pump, and slide plate does radial motion, and the top of slide plate
End is slided along the inner surface of stator, the sky so surrounded by stator inner surface, slide plate, valve plate and balance plate surface
Chamber, with the rotation of rotor, its volume changes, when the continuous expansion process of volume is oil-absorbing process, when volume constantly subtracts
Small process is oil extraction process, therefore pump is when continuously running, all continuous oil suction of two stators and oil extraction, and due to the logical oil of stator
The left and right of hole site, the first rotor is from the I chambers oil suction of the pump housing and is discharged to pump housing ii chamber, and the second rotor is inhaled from pump housing ii chamber
Oil, is finally discharged to pump housing ii I chambers.Thus the pressure of pump increases and is twice, and reduces leakage, improves the operational effect of pump.
Claims (4)
1. a kind of efficient rotor type thickened oil pump, includes in the overall pump housing (1), the pump cover (2) of the pump housing (1) both sides, the pump housing (1)
Main shaft (11), stator (3), rotor (4) and the valve plate (6) in portion, it is characterised in that：The stator (3) is corresponding with rotor (4)
Inner surface cross section curve (3-1) be made up of the connection of 8 sections of smoothed curves, the curve of wherein upper and lower ends is that radius is R1Arc
Line, the curve of left and right ends is that radius is R2Camber line, wherein R1＜ R2；Upper left, upper right, bottom right, the easement curve of lower-left is
High order curve.
2. a kind of efficient rotor type thickened oil pump according to claim 1, it is characterised in that：Described rotor (4) it is cylindrical
Uniformly it is provided with week and is provided with relief groove (4-2) on multiple grooves (4-1), groove (4-1) and is provided with spring (9), spring (9)
On be connected with slide plate (5), slide plate (5) can be in stator (3) and the space Analaysis on Elastic Slide of rotor (4).
3. a kind of efficient rotor type thickened oil pump according to claim 1 or 2, it is characterised in that：Flowed in the described pump housing (1)
Road is two-stage series connection structure, is provided with the pump housing (1) between main shaft (11) and two stators (3), two stators (3) by centre
Valve plate (7) is separated.
4. a kind of efficient rotor type thickened oil pump according to claim 3, it is characterised in that：Described valve plate (6) and in
Between valve plate (7) end face on the balance plate (8) of annular is installed, balance plate (8) is arranged between stator (3) and rotor (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262535 | 2016-04-05 | ||
| CN2016202625350 | 2016-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360885U true CN206360885U (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621233500.0U Active CN206360885U (en) | 2016-04-05 | 2016-11-17 | A kind of efficient rotor type thickened oil pump |
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| CN (1) | CN206360885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550403A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Multi-stage five-sliding-piece submersible electric pump with pre-tightening springs |
-
2016
- 2016-11-17 CN CN201621233500.0U patent/CN206360885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550403A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Multi-stage five-sliding-piece submersible electric pump with pre-tightening springs |
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