CN204921327U - Oil recovery pump - Google Patents
Oil recovery pump Download PDFInfo
- Publication number
- CN204921327U CN204921327U CN201520586158.1U CN201520586158U CN204921327U CN 204921327 U CN204921327 U CN 204921327U CN 201520586158 U CN201520586158 U CN 201520586158U CN 204921327 U CN204921327 U CN 204921327U
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- China
- Prior art keywords
- drive plate
- pump housing
- oil
- fixed
- pump
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- Expired - Fee Related
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses an oil recovery pump, which comprises a pump body, be provided with down the traveling valve in the lower part cavity of the pump body, down traveling valve upper portion be provided with with the cavity wall piece sealing connection's of pump body lower part cavity side piston, and the piston fixes in the bottom of taking out oil pipe, it is equipped with the traveling valve to take out the oil pipe upper end mouth of pipe, the cavity wall piece of the pump body is provided with the oil inlet by the lower extreme, and oil inlet department is provided with the filter screen, the outer tube face of taking out oil pipe is fixed with the drive plate, and it includes still that a plurality of can drive the drive plate and reciprocate the just drive mechanism of equipartition on the drive plate, the utility model discloses can avoid taking out directly rub deformation's the emergence of oil pipe and pump wall, and drive when taking out oil pipe and reciprocating at the drive plate, can guarantee that the drive plate is balanced, avoid lead screw and drive plate to kill the appearance of phenomenon.
Description
Technical field
The utility model belongs to petroleum production field of mechanical technique, relates to a kind of oil extraction pump.
Background technique
At present, the oil rig of petroleum production is primarily of downhole pump and ground beam pumping unit composition.By the impact of geological condition and recovery time, many oil field later stage oil pump capacity are little especially, but in the face of the situation that is becoming tight present energy day, must to become more meticulous exploitation to the oil field later stage, and the past abandon because oil pump capacity is little exploit oil field, also have now necessity of exploitation; Conventional downhole pump and the ground beam pumping unit oil well little to oil pump capacity carry out oils recovery and develop and will be difficult to be competent at, pumping unit working efficiency is extremely low, consume energy high, development cost is allowed greatly to improve, income is not seriously directly proportional with paying, therefore need to adopt rod pump to exploit, but often occur the phenomenon of sucker rod and pump housing friction texturizing in oil recovery process, reduce the working life of the pump housing.
China Patent No. " CN201420380698.X " discloses a kind of oil extraction pump, comprise the pump housing, in the lower chamber of the described pump housing, lower travelling valve is set, described traveling valve top is provided with the piston be tightly connected with the cavity wall block of pump housing lower chamber both sides, and piston is fixed on the bottom of oil pick-up tube, the outer tube surface of oil pick-up tube is provided with circular drive plate, the oil pick-up tube upper end mouth of pipe is provided with upper travelling valve, the side cavity wall block of the upper described pump housing is provided with filler opening on lower side, filler opening is provided with filter screen, and the bearing be connected with drive lead screw lower end is provided with on the top of side cavity wall block, described drive lead screw upper end is connected with drive motor, described circular drive plate side is provided with the mating threaded holes with drive lead screw cross-under, its objective is: by the setting of drive plate, drive oil pick-up tube to run up and down by motor, the direct friction avoiding oil pick-up tube and pump housing wall is out of shape, and extends working life.But in actual applications, because screw mandrel is arranged on the side of drive plate, when screw mandrel rotates, the balance of drive plate is difficult to ensure, be easy to the inclination causing drive plate, thus screw mandrel and drive plate can be caused to kill the appearance of phenomenon, and then drive plate can be caused to move, even can cause burning out of motor.
Summary of the invention
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of generation can avoiding oil pick-up tube and pump wall direct friction metaboly, and when drive plate drives oil pick-up tube to move up and down, can ensure that drive plate balances, the oil extraction pump avoiding screw mandrel and drive plate to kill phenomenon occurring.
Oil extraction pump of the present utility model, comprise the pump housing, lower travelling valve is provided with in the lower chamber of the described pump housing, described lower travelling valve top is provided with the piston be tightly connected with the cavity wall block of pump housing lower chamber side, and piston is fixed on the bottom of oil pick-up tube, the described oil pick-up tube upper end mouth of pipe is provided with upper travelling valve, the cavity wall block of the described pump housing is provided with filler opening on lower side, filler opening place is provided with filter screen, the outer tube surface of described oil pick-up tube is fixed with drive plate, it also comprises several and can move up and down with nutating disk and be distributed on the driving mechanism on drive plate, after each driving mechanism runs through drive plate, the inwall of upper end and the pump housing is fixed, the upper-end surface of lower end and cavity wall block is fixed, described driving mechanism comprises and being applied in drive plate and the screw mandrel be spirally connected with drive plate, be connected with screw mandrel lower end and the bearing be fixed on cavity wall block and the motor be fixedly connected with screw mandrel upper end, described motor is fixed by the inwall of connecting plate and the pump housing.
Oil extraction pump described in the utility model, wherein, described driving mechanism is at least provided with two and is distributed on drive plate.
Oil extraction pump described in the utility model, wherein, the bottom of the described pump housing is provided with sand sediment pipe.
The utility model beneficial effect: a kind of generation can avoiding oil pick-up tube and pump wall direct friction metaboly of the present utility model, and when drive plate drives oil pick-up tube to move up and down, can ensure that drive plate balances, the oil extraction pump avoiding screw mandrel and drive plate to kill phenomenon occurring, wherein, oil pick-up tube, by the drive plate on outer tube surface and screw mandrel cross-under, drives oil pick-up tube to run up and down by motor, avoid the generation of oil pick-up tube and pump housing wall direct friction metaboly, extend working life; Simultaneously by the setting of several driving mechanisms, and driving mechanism is distributed on drive plate, when screw mandrel band nutating disk moves up and down, the balance of drive plate can be ensured, avoid the appearance that screw mandrel and drive plate kill phenomenon, ensure that the reliability of drive plate movement.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is sectional structure schematic diagram of the present utility model.
Embodiment
Oil extraction pump as shown in Figure 1, comprise the pump housing 1, lower travelling valve 2 is provided with in the lower chamber of the described pump housing 1, described lower travelling valve 2 top is provided with the piston 3 be tightly connected with the cavity wall block 11 of the pump housing 1 lower chamber side, and piston 3 is fixed on the bottom of oil pick-up tube 4, the described oil pick-up tube 4 upper end mouth of pipe is provided with upper travelling valve 5, the cavity wall block 11 of the described pump housing 1 is provided with filler opening 12 on lower side, filler opening 12 place is provided with filter screen 13, the outer tube surface of described oil pick-up tube 4 is fixed with drive plate 6, it also comprises several and can move up and down with nutating disk 6 and be distributed on the driving mechanism 7 on drive plate 6, after each driving mechanism 7 runs through drive plate 6, the inwall of upper end and the pump housing 1 is fixed, the upper-end surface of lower end and cavity wall block 11 is fixed, described driving mechanism 7 comprises and being applied in drive plate 6 and the screw mandrel 71 be spirally connected with drive plate 6, be connected with screw mandrel 71 lower end and the bearing 72 be fixed on cavity wall block 11 and the motor 73 be fixedly connected with screw mandrel 71 upper end, described motor 73 is fixed by the inwall of connecting plate 74 with the pump housing 1, described driving mechanism 7 is at least provided with two and is distributed on drive plate 6, the bottom of the described pump housing 1 is provided with sand sediment pipe 14, oil pick-up tube is by the drive plate on outer tube surface and screw mandrel cross-under, oil pick-up tube is driven to run up and down by motor, avoid the generation of oil pick-up tube and pump housing wall direct friction metaboly, extend working life, simultaneously by the setting of several driving mechanisms, and driving mechanism is distributed on drive plate, when screw mandrel band nutating disk moves up and down, the balance of drive plate can be ensured, avoid the appearance that screw mandrel and drive plate kill phenomenon, ensure that the reliability of drive plate movement.
Embodiment recited above is described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that related domain ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (2)
1. an oil extraction pump, comprise the pump housing (1), lower travelling valve (2) is provided with in the lower chamber of the described pump housing (1), described lower travelling valve (2) top is provided with the piston (3) be tightly connected with the cavity wall block (11) of the pump housing (1) lower chamber side, and piston (3) is fixed on the bottom of oil pick-up tube (4), described oil pick-up tube (4) the upper end mouth of pipe is provided with upper travelling valve (5), the cavity wall block (11) of the described pump housing (1) is provided with filler opening (12) on lower side, filler opening (12) place is provided with filter screen (13), the outer tube surface of described oil pick-up tube (4) is fixed with drive plate (6), it is characterized in that: it also comprises at least two and can move up and down with nutating disk (6) and be distributed on the driving mechanism (7) on drive plate (6), the inwall that each driving mechanism (7) runs through drive plate (6) upper end and the pump housing (1) is afterwards fixed, the upper-end surface of lower end and cavity wall block (11) is fixed, described driving mechanism (7) comprises and being applied in drive plate (6) and the screw mandrel (71) be spirally connected with drive plate (6), be connected with screw mandrel (71) lower end and the bearing (72) be fixed on cavity wall block (11) and the motor (73) be fixedly connected with screw mandrel (71) upper end, described motor (73) is fixed by the inwall of connecting plate (74) with the pump housing (1).
2. oil extraction pump according to claim 1, is characterized in that: the bottom of the described pump housing (1) is provided with sand sediment pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586158.1U CN204921327U (en) | 2015-08-01 | 2015-08-01 | Oil recovery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586158.1U CN204921327U (en) | 2015-08-01 | 2015-08-01 | Oil recovery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921327U true CN204921327U (en) | 2015-12-30 |
Family
ID=54970461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520586158.1U Expired - Fee Related CN204921327U (en) | 2015-08-01 | 2015-08-01 | Oil recovery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626490A (en) * | 2016-03-07 | 2016-06-01 | 江苏新海石化有限公司 | Oil extraction device with anti-blocking function |
-
2015
- 2015-08-01 CN CN201520586158.1U patent/CN204921327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626490A (en) * | 2016-03-07 | 2016-06-01 | 江苏新海石化有限公司 | Oil extraction device with anti-blocking function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160801 |