CN202209274U - Plunger and oil-well pump - Google Patents
Plunger and oil-well pump Download PDFInfo
- Publication number
- CN202209274U CN202209274U CN2011203502590U CN201120350259U CN202209274U CN 202209274 U CN202209274 U CN 202209274U CN 2011203502590 U CN2011203502590 U CN 2011203502590U CN 201120350259 U CN201120350259 U CN 201120350259U CN 202209274 U CN202209274 U CN 202209274U
- Authority
- CN
- China
- Prior art keywords
- plunger
- rotor
- spacing
- moves
- passage
- 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 - Fee Related
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 15
- 238000011109 contamination Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003027 oil sand Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a plunger and oil-well pump. Be equipped with the passageway of fluid circulation in the plunger, the one end of passageway is equipped with the oil-out, oil outlet department is equipped with the traveling valve, the other end of passageway is equipped with the oil inlet, oil inlet department is equipped with the standing valve, the plunger still includes: and the rotator is arranged in the channel, is positioned between the traveling valve and the fixed valve, is provided with a rotating shaft which is arranged in parallel to the axial direction of the plunger, is movably arranged in the channel along the axial direction of the plunger, and is a rotator with a spiral groove on the outer surface. The oil-well pump includes: the plunger piston is the plunger piston described above. The utility model provides high pump efficiency clears away impurity, prevents sand card, airlock.
Description
Technical field
The utility model relates to the oil recovery machiner field, belongs to the plunger in a kind of oil well pump and the oil well pump.
Background technique
At present, common oil well pump all is through the open and close work of standing valve and traveling valve, under the big situation of sand production, air content, causes problems such as holddown, gas lock through regular meeting, influences the normal use of oil well pump; Some oil well pump works strike-ofing effect at the outside device of strike-ofing that uses of plunger, prevents the sand holddown, but this method can not solve holddown and leakage problem that sand card and leakage owing to plunger inside cause.
The model utility content
The utility model provides the oil well pump that aims to provide a kind of plunger and contain this plunger, solves the sand card with the inside from plunger, thereby solves the problem of oil well pump sand card.In addition, the utility model also improves the crude oil filling index, prevents gas lock, reduces wastage, and removal of contamination improves the pump efficiency gas lock, reduces wastage.
For this reason, the utility model proposes a kind of plunger, is provided with the passage of fluid flow in the said plunger; One end of said passage is provided with oil outlet, and said oil outlet place is provided with traveling valve, and the other end of said passage is provided with filler opening; Said filler opening place is provided with standing valve; Said plunger also comprises: be arranged on the rotor in the said passage, said rotor is between said traveling valve and said standing valve, and said rotor has the rotating shaft of the axial setting of parallel said plunger; Said rotor is along moving being arranged in the said passage of axially-displaceable of said plunger, and said rotor is that outer surface has the spiral fluted solid of rotation.
Further, said rotor is solid dumbbell shape.
The utility model also proposes a kind of oil well pump, and said oil well pump comprises: the pump barrel that plunger is outer with being enclosed within said plunger, said plunger is foregoing plunger.
Further; Said oil well pump also comprises: the sucker rod that from said passage, stretches out; And be set in spacing between said sucker rod and the said pump barrel move about rotor and the snubber spacing respectively to the two ends of the said spacing rotor that moves about; Said spacing move about rotor and said snubber be arranged in said sucker rod from stretching out on the part that said passage stretches out; Moving being set on the said sucker rod of axially-displaceable of the said spacing said sucker rod in rotor edge that moves about, the said spacing rotor that moves about has the rotating shaft of the axial setting of parallel said sucker rod.
Further; The minimum distance of the said oil outlet of end distance of the said spacing rotor that moves about is smaller or equal to 300mm; Said snubber is position limit pin or the positive stop lug boss that is arranged on the said sucker rod, and the said spacing rotor that moves about is that outer surface has the spiral fluted sleeve.
The said spacing rotor that moves about is a dumbbell-like shape.
Because the utility model is provided with rotating rotor in plunger inside; This rotor is realized strike-ofing and the disturbance function to plunger inside; Utilize the plunger inner space to improve its inner crude oil filling index, reduce leakage, removal of contamination; Improve pump efficiency, thereby solved because holddown and the leakage problem that the sand card of plunger inside and leakage cause.
And then the utility model is provided with the spacing rotor that moves about at the sucker rod place, and anti-traveling valve card, leakage improve pump efficiency.
Description of drawings
Fig. 1 is the structural representation according to the utility model first embodiment's plunger;
Fig. 2 is the structural representation according to the utility model second embodiment's plunger;
Fig. 3 is the fixedly rotor structural representation according to the utility model embodiment.
The drawing reference numeral explanation:
1, move about rotor 2, the spacing rotor 3 that moves about, fixedly rotor 30, support 31, base plate 33, rotating shaft 35, blade 37, sidewall 5, plunger 51, passage 53, oil outlet 54, traveling valve 55, filler opening 56, standing valve 6, sucker rod 61, position limit pin 63, boss 7, pump barrel
Embodiment
Understand for technical characteristics, purpose and effect to the utility model have more clearly, contrast the embodiment of description of drawings the utility model at present.
As depicted in figs. 1 and 2, the utility model proposes a kind of plunger 5, is provided with the passage 51 of fluid flow in the said plunger 5; Fluid in the passage 51 is for example for containing the crude oil of sand; Said passage 51 can be straight tubular, and an end of passage 51 is provided with oil outlet 53, and said oil outlet 53 places are provided with traveling valve 54; The other end of said passage 51 is provided with filler opening 55, and said filler opening 55 places are provided with standing valve 56.Plunger 5 can be cylindrical shape, can adopt existing various suitable construction about the structure of oil outlet 53, traveling valve 54, filler opening 55 and standing valve 56.Said plunger 5 in the utility model also comprises: be arranged on the rotor in the said passage 5, among Fig. 1, said rotor is the rotor 1 that moves about; Among Fig. 2, said rotor is fixing rotor 3, and these two kinds of rotors are between said traveling valve 54 and said standing valve 56; Said rotor has the rotating shaft of the axial setting of parallel said plunger 5, and promptly said rotor rotated in passage 5 around axial (the comprising the axial consistent direction with said plunger 5) of parallel said plunger 5, is realized strike-ofing and the disturbance function in plunger inside; Utilize the plunger inner space to improve its inner crude oil filling index; Reduce leakage, removal of contamination improves pump efficiency.
Further, as shown in Figure 1, the rotor 1 of moving about is along moving being arranged in the said passage of axially-displaceable of said plunger, promptly except the two ends of passage to the moving range of the rotor 1 that moves about spacing, the rotor 1 that moves about is moving along the axially-displaceable of said plunger.Can increase disturbance like this to the fluid in the passage 51.The rotor 1 that moves about can have the spiral fluted solid of rotation for outer surface.Spiral chute on the outer surface is convenient to make the fluid in the passage to form eddy flow, helps the flow disturbance in the passage is prevented the sand card, and is convenient to the inwall of plunger is strike-off.Solid of rotation for example is a Cylindrical object, and shapes such as cone table are so that can rotate in the inner chamber of plunger.The diameter of rotor 1 of moving about is slightly less than the internal diameter of plunger, and for example, the diameter of the rotor 1 that moves about will be fit to strike-off; For example; The rotor 1 that moves about is 2mm less than the numerical value of the internal diameter of plunger, and 3mm or 4mm are so that the outer surface of the rotor 1 that moves about can be removed the oil-sand in the inner chamber of plunger.Further, the rotor 1 that moves about is solid dumbbell shape, can process for stainless steel.During use, standing valve 56 is down, traveling valve 54 up, the rotor 1 that moves about near standing valve 56, can rise under cyclonic action when sucker rod is up, near traveling valve 54 for solid being convenient to the like this rotor 1 that moves about can sink to the bottom when sucker rod is descending.The rotor 1 of moving about is dumbbell shape, is small at both ends and big in the middle, and is convenient under the effect of eddy flow, move about intermediate portion and need not process spiral chute, convenient processing, weight reduction.
As shown in Figure 2, said rotor is fixing rotor 3, along said plunger axially, the fixed-site of said rotor, promptly fixedly rotor 3 can only be along the axial rotation that centers on parallel said plunger 5, can not be along the axial translation that centers on parallel said plunger 5.
Further, as shown in Figure 3, fixing rotor 3 support 30 that comprises rotating shaft 33, be arranged on the rotation blade 35 in the said rotating shaft and support said rotating shaft.Adopt rotation blade and said rotating shaft 33 to fix along the axial position of said plunger; The impulse force of the fluid in the passage is converted into rotation function basically; Thereby; The eddy flow ability of this rotor strengthens, and greater than the eddy flow ability of the rotor that moves about among Fig. 1, fixedly rotor 3 is particularly useful for many oil recovery situation of shaking out usually.For rotating shaft 33 is fixed along the axial position of said plunger, promptly limit rotating shaft 33 and move axially, through support 30 rotating shaft 33 is fixed on the plunger 5.Said support 30 is fixed on the inwall of said plunger 5, and said rotating shaft 33 is arranged on the said support 30 along the axial position of said plunger regularly.The structure of support 30 and with the means of fixation of the inwall of plunger 5 can have multiple, can be with reference to existing relevant Placement.
Further, said support is the U type, and said support 30 comprises the base plate 31 that supports said rotating shaft 33; Said base plate 31 is bar shaped, for example is rectangle, the axis of the vertical said plunger of said base plate; Said rotating shaft 33 is positioned at said base plate 31 centers and vertical said base plate 31, and said support 30 comprises that also the same side of being positioned at said base plate and 37, two sidewalls of two sidewalls 37 that stretch out along the direction of parallel said rotating shaft from the edge of said base plate form the opening of U types; Said base plate 31 is the joint of the opening of the said U type of connection; For example, two sidewalls 37 are parallel to each other, and base plate 31 is connected between two sidewalls 37.Said sidewall 37 is bonded on the inwall of said plunger, and for example, sidewall 37 is bonded in through the high-temperature polyester material on the inwall of said plunger 5, and so relative welding or other mechanical connections are bonding more convenient.The diameter of base plate 31 is less than the internal diameter of said plunger 5, and sidewall 37 forms the space that holds rotation blade 35 with base plate 31.On the feasible inwall that is fixed on plunger that fixedly rotor 3 can be stable of the set-up mode of above-mentioned U type support and rotation blade 35, and rotation blade 35 can freely rotate.
The utility model also proposes a kind of oil well pump, and said oil well pump comprises: the pump barrel 7 that plunger is outer with being enclosed within said plunger, said plunger is foregoing plunger.Further; Said oil well pump also comprises: the sucker rod 6 that from said passage, stretches out; And be set in spacing between said sucker rod 6 and the said pump barrel 7 move about rotor 2 and the snubber spacing respectively to the two ends of the said spacing rotor that moves about, said spacing move about rotor and said snubber be arranged in said sucker rod 6 from stretching out on the part that said passage stretches out.The spacing rotor 2 that moves about can play to oil outlet 53 places and to the disturbance between pump barrel and the plunger with to the effect of pump barrel desanding moving about on the sucker rod 6, and the distance of moving about of the spacing rotor 2 that moves about is looked the situation of desanding and decided.
Said spacing axially-displaceable moving be set in said sucker rod 6 on of rotor 2 of moving about along said sucker rod 6; Sucker rod 6 is sheathed in the pump barrel 7; The said spacing rotor 2 that moves about has the rotating shaft of the axial setting of parallel said sucker rod; The spacing rotor 2 that moves about can rotate on the sucker rod outside the oil outlet 53 6, thereby can play the effect of disturbance to oil outlet 53 places, can prevent the sand card.
Further, the said spacing rotor 2 that moves about is: outer surface has the spiral fluted sleeve, and said snubber is position limit pin 61 or the positive stop lug boss 63 that is arranged on the said sucker rod, and position limit pin 61 or positive stop lug boss 63 lay respectively at the two ends of the spacing rotor 2 that moves about.The spacing rotor 2 that moves about for example is dumbbell-like shape, helps moving about.
Spiral chute on the spacing rotor 2 that moves about is convenient to make the annular space between pump barrel 7 and the plunger 6 to form eddy flow, helps the flow disturbance in the annular space, prevents the sand card between pump barrel and the plunger, and is convenient to the inwall of pump barrel is strike-off.The diameter of the spacing rotor 2 that moves about will be fit to the inwall of pump barrel 7 is strike-off, and for example, the spacing rotor 2 that moves about is 2mm, 3mm or 4mm less than the numerical value of the internal diameter of pump barrel.The spacing rotor 2 that moves about can move on sucker rod 6, and the promptly spacing rotor 2 that moves about can move about in pump barrel, thereby the outer surface of the spacing rotor 2 that moves about can be removed the most of local oil-sand in the inner chamber of pump barrel in moving about.As depicted in figs. 1 and 2; When the spacing rotor 2 that moves about moves near oil outlet 53 places; The said oil outlet of the low order end of the spacing rotor 2 that moves about distance 53 is nearest, and this distance is smaller or equal to 300mm, and this is apparent in view and effective apart from making to the agitation at oil outlet 53 places; Effectively prevent plunger sand card, and can effectively strike-off pump barrel.
The utility model improves pump efficiency, and removal of contamination prevents sand card, gas lock.
The above is merely the schematic embodiment of the utility model, is not in order to limit the scope of the utility model.For each constituent element of the utility model can make up under the condition of not conflicting each other; Any those skilled in the art; Equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (6)
1. plunger is provided with the passage of fluid flow in the said plunger, an end of said passage is provided with oil outlet; Said oil outlet place is provided with traveling valve, and the other end of said passage is provided with filler opening, and said filler opening place is provided with standing valve; It is characterized in that; Said plunger also comprises: be arranged on the rotor in the said passage, said rotor is between said traveling valve and said standing valve, and said rotor has the rotating shaft of the axial setting of parallel said plunger; Said rotor is along moving being arranged in the said passage of axially-displaceable of said plunger, and said rotor is that outer surface has the spiral fluted solid of rotation.
2. plunger as claimed in claim 1 is characterized in that, said rotor is solid dumbbell shape.
3. an oil well pump is characterized in that, said oil well pump comprises: the pump barrel that plunger is outer with being enclosed within said plunger is characterized in that said plunger is each described plunger in the claim 1 to 2.
4. oil well pump as claimed in claim 3; It is characterized in that; Said oil well pump also comprises: the sucker rod that from said passage, stretches out; And be set in spacing between said sucker rod and the said pump barrel move about rotor and the snubber spacing respectively to the two ends of the said spacing rotor that moves about; Said spacing move about rotor and said snubber be arranged in said sucker rod from stretching out on the part that said passage stretches out, the said spacing rotor that moves about is along moving being set on the said sucker rod of axially-displaceable of said sucker rod, the said spacing rotor that moves about has the rotating shaft of the axial setting of parallel said sucker rod.
5. oil well pump as claimed in claim 4; It is characterized in that; The minimum distance of the said oil outlet of end distance of the said spacing rotor that moves about is smaller or equal to 300mm; Said snubber is position limit pin or the positive stop lug boss that is arranged on the said sucker rod, and the said spacing rotor that moves about is that outer surface has the spiral fluted sleeve.
6. oil well pump as claimed in claim 4 is characterized in that, the said spacing rotor that moves about is a dumbbell-like shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203502590U CN202209274U (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203502590U CN202209274U (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209274U true CN202209274U (en) | 2012-05-02 |
Family
ID=45988824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203502590U Expired - Fee Related CN202209274U (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209274U (en) |
-
2011
- 2011-09-19 CN CN2011203502590U patent/CN202209274U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20200919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |