CN203892168U - Servo-type automatic clearance compensation oil pump - Google Patents

Servo-type automatic clearance compensation oil pump Download PDF

Info

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
Authority
CN
China
Prior art keywords
pump barrel
wear
supporting sleeve
center tube
resisting supporting
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.)
Active
Application number
CN201420319359.0U
Other languages
Chinese (zh)
Inventor
陈金松
王书海
张立新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Original Assignee
Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd filed Critical Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Priority to CN201420319359.0U priority Critical patent/CN203892168U/en
Application granted granted Critical
Publication of CN203892168U publication Critical patent/CN203892168U/en
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

Landscapes

  • 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

A kind of follow-up-type automatic backlash compensation oil well pump
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.
CN201420319359.0U 2014-06-17 2014-06-17 Servo-type automatic clearance compensation oil pump Active CN203892168U (en)

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
CN203892168U true CN203892168U (en) 2014-10-22

Family

ID=51718581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420319359.0U Active CN203892168U (en) 2014-06-17 2014-06-17 Servo-type automatic clearance compensation oil pump

Country Status (1)

Country Link
CN (1) CN203892168U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN203892168U (en) Servo-type automatic clearance compensation oil pump
CN204163964U (en) Ring valve type hydraulic feedback oil
CN204419527U (en) A kind of guiding valve sand control suction pump
CN203796534U (en) Super-long-stroke oil pump
CN104005941A (en) Follow-up type automatic backlash compensation oil-well pump
CN202579126U (en) Novel oil well pump
CN204609843U (en) Hydraulic drive type oil extraction system
CN203441755U (en) Axial suction type sea water desalination high pressure pump
CN208364108U (en) A kind of downhole oil-gas separation device
CN208281149U (en) A kind of self compensation elastic-sealed oil pump and elastic sealing device
CN105570118A (en) Tubing pump standing valve
CN103925203B (en) Reaction type steam injection oil well pump
CN104747139B (en) Hydraulic drive type oil extraction system
CN203770103U (en) Feedback type steam injection oil pump
CN204941873U (en) A kind of integeral tube pumping pump
CN204492690U (en) The anti-jamming thermal recovery centralizer of self-expansion type
CN204252910U (en) Wellhead tree sealing device
CN203051098U (en) Expanding and shrinking barrel piston self-rotating centering oil-well pump
CN203627168U (en) Pump-cylinder-enhanced small-pump-diameter whole cylinder oil well pump
CN203403836U (en) Anti-falling oil pipe centralizer
CN203394718U (en) Deep wall oil pump
CN203584382U (en) Extract oil circulation injection and extraction device
CN204003389U (en) Multistage elastic packing three plunger horizontal well oil pumps
CN103277071B (en) Hydraulic feedback device of oil pump
CN215333345U (en) Reciprocating oil-well pump plunger sealing device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant