CN203892168U - Servo-type automatic clearance compensation oil pump - Google Patents
Servo-type automatic clearance compensation oil pump Download PDFInfo
- Publication number
- CN203892168U CN203892168U CN201420319359.0U CN201420319359U CN203892168U CN 203892168 U CN203892168 U CN 203892168U CN 201420319359 U CN201420319359 U CN 201420319359U CN 203892168 U CN203892168 U CN 203892168U
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- China
- Prior art keywords
- pump barrel
- wear
- supporting sleeve
- center tube
- resisting supporting
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- 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
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000003129 oil well Substances 0.000 claims description 14
- 229920002521 macromolecule Polymers 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a servo-type automatic clearance compensation oil pump. The servo-type automatic clearance compensation oil pump comprises a central pipe and a bump barrel. The bump barrel comprises an upper pump barrel and a lower pump barrel, and the upper pump barrel and the lower pump barrel are fixedly connected in sequence and are hollow. The central pipe is arranged in the pump barrel, one end of the central pipe extends out of the oil inlet of the pump barrel, and a fluid circulation channel is formed in the central pipe. An upper valve is arranged at the oil inlet of the upper pump barrel, and a lower valve is arranged at the oil outlet of the lower pump barrel. A plurality of macromolecular clearance compensation sleeves are arranged on the contact surface of the inner wall of the upper pump barrel and the central pipe, and a plurality of wear-resistant supporting sleeves are arranged on the contact surface of the inner wall of the lower pump barrel 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 the process of collection 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, reduce the pumping efficiency of oil well pump, the serious continuation that also can affect oil extraction operation.
Model utility content
The utility model is for the deficiencies in the prior art, and 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 can avoid pumping time, 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, the technological scheme that the utility model provides is:
A kind of 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 part is 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 multiple macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with multiple 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 utlity model has following beneficial effect:
On the inwall of upper pump barrel and the surface of contact of center tube, be provided with multiple macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with multiple wear-resisting supporting sleeves, the inwall of upper pump barrel is contacted and become line contact from face with center tube, reduced frictional force, the leakage of oil of avoiding the center tube elastic shrinkage causing due to rubbing action to cause; Pump barrel is divided into upper pump barrel and lower pump barrel, has reduced gas overstocking in center tube passage.
Brief description of the drawings
Figure 1 shows that structural representation of the present utility model;
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 the related preferred embodiment of the utility model without limitation; Explain the technical solution of the utility model below with reference to accompanying drawing.
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 opening parts are 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 multiple 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 multiple 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 the first wear-resisting supporting sleeve 5, the second wear-resisting supporting sleeve 6, the 3rd wear-resisting supporting sleeve 7 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 is contacted and become line contact from face with center tube 1, 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 part is 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 multiple macromolecule backlash compensation covers; On the inwall of described lower pump barrel and the surface of contact of center tube, be provided with multiple 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 compensation oil well pump according to claim 2, 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 |
---|---|---|---|
CN201420319359.0U CN203892168U (en) | 2014-06-17 | 2014-06-17 | Servo-type automatic clearance compensation oil pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420319359.0U CN203892168U (en) | 2014-06-17 | 2014-06-17 | Servo-type automatic clearance compensation oil pump |
Publications (1)
Publication Number | Publication Date |
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CN203892168U true CN203892168U (en) | 2014-10-22 |
Family
ID=51718581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420319359.0U Expired - Lifetime CN203892168U (en) | 2014-06-17 | 2014-06-17 | Servo-type automatic clearance compensation oil pump |
Country Status (1)
Country | Link |
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CN (1) | CN203892168U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104005941A (en) * | 2014-06-17 | 2014-08-27 | 江苏航天鸿鹏数控机械有限公司 | Follow-up type automatic backlash compensation oil-well pump |
-
2014
- 2014-06-17 CN CN201420319359.0U patent/CN203892168U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104005941A (en) * | 2014-06-17 | 2014-08-27 | 江苏航天鸿鹏数控机械有限公司 | Follow-up type automatic backlash compensation oil-well pump |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20141022 |