CN104005941A - Follow-up type automatic backlash compensation oil-well pump - Google Patents
Follow-up type automatic backlash compensation oil-well pump Download PDFInfo
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- CN104005941A CN104005941A CN201410266734.4A CN201410266734A CN104005941A CN 104005941 A CN104005941 A CN 104005941A CN 201410266734 A CN201410266734 A CN 201410266734A CN 104005941 A CN104005941 A CN 104005941A
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- pump barrel
- wear
- supporting sleeve
- center tube
- resisting supporting
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Abstract
The invention discloses a follow-up type automatic backlash compensation oil-well pump which comprises a central pipe and a pump barrel. The pump barrel comprises an upper pump barrel body and a lower pump barrel body, the upper pump barrel body and the lower pump barrel body are fixedly connected in sequence, and the upper pump barrel body and the lower pump barrel body are hollow. The central pipe is arranged in the pump barrel, one end of the central pipe stretches out of an oil inlet of the pump barrel, and a channel allowing fluid to flow is arranged in the central pipe. An upper valve is arranged on an oil inlet of the upper pump barrel body, and a lower valve is arranged on an oil outlet of the lower pump barrel body. A plurality of macromolecule backlash compensation sleeves are arranged on the contact face of the inner wall of the upper pump barrel body and the central pipe. A plurality wear-resisting supporting sleeves are arranged on the contact face of the inner wall of the lower pump barrel body and the central pipe.
Description
Technical field
The present invention relates to oil well pump field, especially a kind of follow-up-type automatic backlash compensation oil well pump.
Background technique
The most oil well pumps that adopt of existing oil field oil recovery well recover the oil, but oil well pump is in gathering the process of oil, the outer wall of center tube and the inwall of pump barrel are easy to because friction causes elastic telescopic, thereby leakage of oil while causing oil pipe oil pumping, reduced the pumping efficiency of oil well pump, serious also can affect the continuation of oil extraction operation.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of follow-up-type automatic backlash compensation oil well pump is provided, the leakage of oil causing due to the friction of tube wall in the time of can avoiding pumping, and do not increase the cost of production of oil well pump, increase work efficiency.
In order to solve the problems of the technologies described above, technological scheme provided by the invention is:
A follow-up-type automatic backlash compensation oil well pump, comprises center tube and pump barrel, and described pump barrel comprises pump barrel and lower pump barrel, and described upper pump barrel is fixedly connected with in turn with lower pump barrel, and inner hollow setting; Described center tube is arranged on the inside of pump barrel, and one end of center tube stretches out pump barrel filler opening, is provided with the passage of fluid circulation in described center tube; Described upper pump barrel filler opening is partly provided with valve, and the oil outlet of described lower pump barrel is provided with lower valve; On the inwall of described upper pump barrel and the surface of contact of center tube, be provided with a plurality of macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with a plurality of wear-resisting supporting sleeves.
Two macromolecule backlash compensation covers are evenly set on the inwall of described upper pump line and the surface of contact of center tube, and described two macromolecule backlash compensation covers are symmetrical arranged;
On the inwall of described lower pump barrel and the surface of contact of center tube, be respectively arranged with the first wear-resisting supporting sleeve, the second wear-resisting supporting sleeve, the 3rd wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve, described the first wear-resisting supporting sleeve and the second wear-resisting supporting sleeve are successively set on a side of the inwall of lower pump barrel and the surface of contact of center tube, and described the 3rd wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve are successively set on the opposite side of the inwall of lower pump barrel and the surface of contact of center tube;
Described the first wear-resisting supporting sleeve and the 3rd wear-resisting supporting sleeve are symmetrical arranged, and described the second wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve are symmetrical arranged.
By above technological scheme, with respect to prior art, the present invention has following beneficial effect:
On the inwall of upper pump barrel and the surface of contact of center tube, be provided with a plurality of macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with a plurality of wear-resisting supporting sleeves, the inwall of upper pump barrel and center tube are contacted and become line and contact from face, reduced frictional force, the leakage of oil that the center tube elastic shrinkage of avoiding causing due to rubbing action causes; Pump barrel is divided into upper pump barrel and lower pump barrel, has reduced gas overstocking in center tube passage.
Accompanying drawing explanation
Figure 1 shows that structural representation of the present invention;
Wherein: pipe centered by 1,2 is upper pump barrel, and 3 is lower pump barrel, and 4 is macromolecule backlash compensation cover, and 5 is the first wear-resisting supporting sleeve, and 6 is the second wear-resisting supporting sleeve, and 7 is the 3rd wear-resisting supporting sleeve, and 8 is the 4th wear-resisting supporting sleeve, and 9 is upper valve, and 10 is lower valve.
Embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation; Below with reference to accompanying drawing, explain technological scheme of the present invention.
Shown in Fig. 1, a kind of follow-up-type automatic backlash compensation oil well pump, comprises center tube 1 and pump barrel, and described pump barrel comprises pump barrel 2 and lower pump barrel 3, and described upper pump barrel 2 is fixedly connected with in turn with lower pump barrel 3, and inner hollow setting; Described center tube 1 is arranged on the inside of pump barrel, and one end of center tube 1 stretches out pump barrel filler opening, is provided with the passage of fluid circulation in described center tube 1; Described upper pump barrel 2 filler openings are partly provided with valve 9, and the oil outlet of described lower pump barrel 3 is provided with lower valve 10; Pump barrel is divided into upper pump barrel 2 and lower pump barrel 3, has reduced gas overstocking in center tube 1 passage.
On the surface of contact of the inwall of described upper pump barrel 2 and center tube 1, be provided with a plurality of macromolecule backlash compensation covers 4; On the surface of contact of the inwall of described lower pump barrel 3 and center tube 1, be provided with a plurality of wear-resisting supporting sleeves.
Preferably, two macromolecule backlash compensation covers 4 are evenly set on the surface of contact of the inwall of upper pump line and center tube 1, and described two macromolecule backlash compensations cover 4 is symmetrical arranged;
Preferably, on the surface of contact of the inwall of lower pump barrel 3 and center tube 1, be respectively arranged with wear-resisting supporting sleeve the 6, the 3rd wear-resisting supporting sleeve 7 of the first wear-resisting supporting sleeve 5, second and the 4th wear-resisting supporting sleeve 8, described the first wear-resisting supporting sleeve 5 and the second wear-resisting supporting sleeve 6 are successively set on a side of the inwall of lower pump barrel 3 and the surface of contact of center tube 1, and described the 3rd wear-resisting supporting sleeve 7 and the 4th wear-resisting supporting sleeve 8 are successively set on the opposite side of the inwall of lower pump barrel 3 and the surface of contact of center tube 1.The inwall of upper pump barrel 2 and center tube 1 are contacted and become line and contact from face, reduce friction, avoid center tube 1 elastic shrinkage causing due to rubbing action to cause leakage of oil.
Claims (4)
1. a follow-up-type automatic backlash compensation oil well pump, comprises center tube and pump barrel, it is characterized in that: described pump barrel comprises pump barrel and lower pump barrel, and described upper pump barrel is fixedly connected with in turn with lower pump barrel, and inner hollow setting; Described center tube is arranged on the inside of pump barrel, and one end of center tube stretches out pump barrel filler opening, is provided with the passage of fluid circulation in described center tube; Described upper pump barrel filler opening is partly provided with valve, and the oil outlet of described lower pump barrel is provided with lower valve; On the inwall of described upper pump barrel and the surface of contact of center tube, be provided with a plurality of macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with a plurality of wear-resisting supporting sleeves.
2. follow-up-type automatic backlash compensation oil well pump according to claim 1, is characterized in that: two macromolecule backlash compensation covers are evenly set on the inwall of described upper pump line and the surface of contact of center tube, and described two macromolecule backlash compensation covers are symmetrical arranged.
3. follow-up-type automatic backlash according to claim 2 compensates oil well pump, it is characterized in that: on the inwall of described lower pump barrel and the surface of contact of center tube, be respectively arranged with the first wear-resisting supporting sleeve, the second wear-resisting supporting sleeve, the 3rd wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve, described the first wear-resisting supporting sleeve and the second wear-resisting supporting sleeve are successively set on a side of the inwall of lower pump barrel and the surface of contact of center tube, and described the 3rd wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve are successively set on the opposite side of the inwall of lower pump barrel and the surface of contact of center tube.
4. follow-up-type automatic backlash compensation oil well pump according to claim 3, is characterized in that: described the first wear-resisting supporting sleeve and the 3rd wear-resisting supporting sleeve are symmetrical arranged, and described the second wear-resisting supporting sleeve and the 4th wear-resisting supporting sleeve are symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266734.4A CN104005941A (en) | 2014-06-17 | 2014-06-17 | Follow-up type automatic backlash compensation oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266734.4A CN104005941A (en) | 2014-06-17 | 2014-06-17 | Follow-up type automatic backlash compensation oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104005941A true CN104005941A (en) | 2014-08-27 |
Family
ID=51366774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410266734.4A Pending CN104005941A (en) | 2014-06-17 | 2014-06-17 | Follow-up type automatic backlash compensation oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005941A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359455Y (en) * | 1999-01-27 | 2000-01-19 | 方连君 | Sucker rod sealing ring |
| CN2630488Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气股份有限公司 | Floating ring pump hollow sucker rod circulating sand-discharging oil production device |
| CN2811599Y (en) * | 2005-07-07 | 2006-08-30 | 大庆油田有限责任公司 | Hydraulic self-sealing plunger oil-well pump |
| CN201080908Y (en) * | 2007-08-29 | 2008-07-02 | 马宝忠 | Long plunger elastic seal oil pump |
| CA2763401A1 (en) * | 2009-07-02 | 2011-01-06 | Exxonmobil Upstream Research Company | Fluid sealing elements and related methods |
| RU2460902C1 (en) * | 2011-06-07 | 2012-09-10 | Дмитрий Анатольевич Будяков | Downhole rod pump |
| CN203892168U (en) * | 2014-06-17 | 2014-10-22 | 江苏航天鸿鹏数控机械有限公司 | Servo-type automatic clearance compensation oil pump |
-
2014
- 2014-06-17 CN CN201410266734.4A patent/CN104005941A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359455Y (en) * | 1999-01-27 | 2000-01-19 | 方连君 | Sucker rod sealing ring |
| CN2630488Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气股份有限公司 | Floating ring pump hollow sucker rod circulating sand-discharging oil production device |
| CN2811599Y (en) * | 2005-07-07 | 2006-08-30 | 大庆油田有限责任公司 | Hydraulic self-sealing plunger oil-well pump |
| CN201080908Y (en) * | 2007-08-29 | 2008-07-02 | 马宝忠 | Long plunger elastic seal oil pump |
| CA2763401A1 (en) * | 2009-07-02 | 2011-01-06 | Exxonmobil Upstream Research Company | Fluid sealing elements and related methods |
| RU2460902C1 (en) * | 2011-06-07 | 2012-09-10 | Дмитрий Анатольевич Будяков | Downhole rod pump |
| CN203892168U (en) * | 2014-06-17 | 2014-10-22 | 江苏航天鸿鹏数控机械有限公司 | Servo-type automatic clearance compensation oil pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140827 |