CN201531399U - Hydraulic reciprocating oil-well defueling pump - Google Patents
Hydraulic reciprocating oil-well defueling pump Download PDFInfo
- Publication number
- CN201531399U CN201531399U CN2009202575417U CN200920257541U CN201531399U CN 201531399 U CN201531399 U CN 201531399U CN 2009202575417 U CN2009202575417 U CN 2009202575417U CN 200920257541 U CN200920257541 U CN 200920257541U CN 201531399 U CN201531399 U CN 201531399U
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Abstract
The utility model relates to an oil-well defueling pump, in particular to a hydraulic reciprocating oil-well defueling pump which comprises a hydraulic inlet, a hydraulic outlet, a reversing valve, a reversing valve poke rod I, a reversing control lever, a hydraulic pipe I, a power cylinder piston, a power cylinder, a linkage rod, an oil inlet valve I, an oil outlet valve I, an oil outlet pipe, a defueling tank piston, a defueling tank, an oil outlet valve II, an oil inlet valve II, a hydraulic pipe II, a reversing valve poke rod II and a push head. The reversing valve poke rod I and the reversing valve poke rod II are mounted on the reversing valve; the hydraulic pipe I and the hydraulic pipe II are introduced into the upper and lower ends of a power cylinder respectively; the power cylinder piston is mounted in the power cylinder; one end of the power cylinder piston is connected with a reversing control lever, and the other end is connected with one end of the linkage rod; a push head is mounted at the other end of the reversing control lever; the other end of the linkage rod is connected with the defueling tank piston in the defueling tank piston; and the oil inlet valve I and the oil inlet valve II are communicated with the upper space and the lower space of the defueling tank respectively.
Description
Technical field
The utility model relates to a kind of oil-well pump of oil well, particularly a kind of hydraulic reciprocating type oil well pump.
Background technique
The oil well pump efficient height that utilizes hydraulic power to recover the oil, have remarkable advantages than the rod pumping pump oil recovery, all in this technology of exploitation, this technology still is in the starting stage in China in domestic many companies, some companies have developed the hydraulic power oil pump of several forms, but also have some defectives.For example, Chinese patent publication number CN 101216028A, open day is on July 9th, 2008, and denomination of invention is a hydraulic power oil pump, and this application case discloses a kind of hydraulic pressure that utilizes and has been power, ground control commutation, the oil well pump that plunger relies on suspending weight to reset.Its deficiency is: 1. the ground commutation does not have accurate commutation condition.The piston reset time is relevant with suspending weight weight and subsurface environment.2. fuel-displaced during piston stroking upward, not fuel-displaced when descending, pump efficiency is low.3. the descent of piston dependence suspending weight that resets, the suspending weight light weight, it is slow then to reset.The suspending weight quality is heavy, though it is fast to reset, during piston stroking upward, hydraulic pressure needs work just many, and pump efficiency is low.
Summary of the invention
The purpose of this utility model is to provide a kind of hydraulic reciprocating type oil well pump at above-mentioned deficiency, be a kind of be power with hydraulic pressure, commutation position is accurately controlled, and adopts the reciprocating motion of the pistons can both oil extraction, fuel-displaced, the hydraulic reciprocating type oil well pump that pump efficiency is high.
Hydraulic reciprocating type oil well pump of the present utility model is to take following technological scheme to realize:
Hydraulic reciprocating type oil well pump comprises hydraulic pressure inlet, hydraulic pressure outlet, selector valve, selector valve turning lever one, reversing control lever, hydraulic tube one, ram piston, ram, linkage rod, oiling valve one, outlet valve one, oil outlet tube, oil pumping cylinder piston, oil pumping cylinder, outlet valve two, oiling valve two, oil pumping cylinder piston ring, linkage rod seal ring one, linkage rod seal ring two, the ram piston ring, the reversing control lever seal ring, hydraulic tube two, selector valve turning lever two and pusher head.
Hydraulic pressure inlet, hydraulic pressure outlet, hydraulic tube one, hydraulic tube two link to each other with each interface (a interface, b interface, c interface, d interface) of selector valve respectively.Selector valve turning lever one and selector valve turning lever two are housed on the selector valve, and described selector valve turning lever one and selector valve turning lever two are hinged with selector valve valve rod two ends respectively.Hydraulic tube one and hydraulic tube two feed the upper/lower terminal of ram respectively.The ram piston is housed in the ram.Ram piston one end connects reversing control lever, and the other end connects an end of linkage rod.The other end of reversing control lever is equipped with pusher head, and when the ram piston was in the top of ram and bottom, pusher head promoted selector valve turning lever and selector valve turning lever respectively, makes selector valve be in two working staties, i.e. station one, station two.The other end of linkage rod connects oil pumping cylinder piston.Oil pumping cylinder piston is contained in the oil pumping cylinder.Oiling valve one, oiling valve two respectively with oil pumping cylinder upper and lower two-part spatial communication.The upper and lower two-part of oil pumping cylinder space is connected with outlet valve one, outlet valve two respectively.Outlet valve one and outlet valve two are externally connected with oil outlet tube.The ram piston ring is housed on the ram piston.Oil pumping cylinder piston ring is housed on the oil pumping cylinder piston.Linkage rod seal ring two and reversing control lever seal ring are housed on the ram.On the oil pumping cylinder linkage rod seal ring one is housed.Described selector valve turning lever is provided with pusher head.
Selector valve turning lever one and selector valve turning lever two are housed on the selector valve.When the selector valve turning lever is pushed, selector valve is in station one.Power fluid enters selector valve from the hydraulic pressure inlet, flows out from hydraulic tube two again.Power fluid flows into selector valve from hydraulic tube one, flows out from the hydraulic pressure outlet again.When the selector valve turning lever is pushed, selector valve is in station two.Power fluid enters selector valve from the hydraulic pressure inlet, flows out from hydraulic tube one again.Power fluid flows into selector valve from hydraulic tube two, flows out from the hydraulic pressure outlet again.
The beneficial effects of the utility model are: (1) ram piston accurately feeds back commutation position by reversing control lever.When (2) pumping the cylinder reciprocating motion of the pistons, can both be fuel-displaced.(3) movement velocity of oil pumping cylinder piston is by the pressure decision of hydraulic pressure.Can improve oil yield rate by improving the power of hydraulic press.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is the hydraulic reciprocating type oil well pump structural representation.
Embodiment
With reference to accompanying drawing 1, hydraulic reciprocating type oil well pump comprises hydraulic pressure inlet 1, hydraulic pressure outlet 2, selector valve 3, selector valve turning lever 1, reversing control lever 5, hydraulic tube 1, ram piston 7, ram 8, linkage rod 9, oiling valve 1, outlet valve 1, oil outlet tube 12, oil pumping cylinder piston 13, oil pumping cylinder 14, outlet valve 2 15, oiling valve 2 16, oil pumping cylinder piston ring 17, linkage rod seal ring 1, linkage rod seal ring 2 19, ram piston ring 20, reversing control lever seal ring 21, hydraulic tube 2 22, selector valve turning lever 2 23 and pusher head 24.
Selector valve turning lever 1 and selector valve turning lever 2 23 are housed on the selector valve 3.When selector valve turning lever 4 is pushed, selector valve 3 is in station one.Power fluid enters selector valve 3 from hydraulic pressure inlet 1, flows out from hydraulic tube 2 22 again.Power fluid flows into selector valve 3 from hydraulic tube 1, flows out from hydraulic pressure outlet 2 again.When selector valve turning lever 23 is pushed, selector valve 3 is in station two.Power fluid enters selector valve 3 from hydraulic pressure inlet 1, flows out from hydraulic tube 1 again.Power fluid flows into selector valve 3 from hydraulic tube 2 22, flows out from hydraulic pressure outlet 2 again.
Described selector valve 3 is 24 logical selector valves.Can adopt commercially available 24 logical selector valves.
Described oiling valve 1, oiling valve 2 16, outlet valve 1, outlet valve 2 15 are commercially available one-way valve.Described one-way valve can adopt non-return valve or one-way valve plate valve.
Claims (6)
1. a hydraulic reciprocating type oil well pump is characterized in that comprising hydraulic pressure inlet, hydraulic pressure outlet, selector valve, selector valve turning lever one, reversing control lever, hydraulic tube one, ram piston, ram, linkage rod, oiling valve one, outlet valve one, oil outlet tube, oil pumping cylinder piston, oil pumping cylinder, outlet valve two, oiling valve two, hydraulic tube two, selector valve turning lever two and pusher head;
Hydraulic pressure inlet, hydraulic pressure outlet, hydraulic tube one, hydraulic tube two link to each other with each interface of selector valve respectively, and selector valve turning lever one and selector valve turning lever two are housed on the selector valve, and hydraulic tube one and hydraulic tube two feed the upper/lower terminal of ram respectively; The ram piston is housed in the ram, and ram piston one end connects reversing control lever, and the other end connects an end of linkage rod, and the other end of reversing control lever is equipped with pusher head; The other end of linkage rod connects oil pumping cylinder piston, and oil pumping cylinder piston is contained in the oil pumping cylinder, oiling valve one, oiling valve two respectively with the upper and lower two-part spatial communication of oil pumping cylinder; The upper and lower two-part of oil pumping cylinder space is connected with outlet valve one, outlet valve two respectively, and outlet valve one and outlet valve two are externally connected with oil outlet tube.
2. hydraulic reciprocating type oil well pump according to claim 1 is characterized in that described selector valve is 24 logical selector valves.
3. hydraulic reciprocating type oil well pump according to claim 1 is characterized in that described oiling valve one, oiling valve two, outlet valve one, outlet valve two are one-way valve.
4. hydraulic reciprocating type oil well pump according to claim 1 is characterized in that described selector valve turning lever one and selector valve turning lever two are hinged with selector valve valve rod two ends respectively.
5. hydraulic reciprocating type oil well pump according to claim 1 is characterized in that on the described ram piston ram piston ring being housed, and oil pumping cylinder piston ring is housed on the oil pumping cylinder piston.
6. hydraulic reciprocating type oil well pump according to claim 1 is characterized in that being equipped with on the described ram linkage rod seal ring two and reversing control lever seal ring, on the oil pumping cylinder linkage rod seal ring one is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202575417U CN201531399U (en) | 2009-11-17 | 2009-11-17 | Hydraulic reciprocating oil-well defueling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202575417U CN201531399U (en) | 2009-11-17 | 2009-11-17 | Hydraulic reciprocating oil-well defueling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531399U true CN201531399U (en) | 2010-07-21 |
Family
ID=42526803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202575417U Expired - Lifetime CN201531399U (en) | 2009-11-17 | 2009-11-17 | Hydraulic reciprocating oil-well defueling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725514B (en) * | 2009-11-17 | 2011-06-29 | 徐兴 | Hydraulic reciprocating type oil well pump |
-
2009
- 2009-11-17 CN CN2009202575417U patent/CN201531399U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725514B (en) * | 2009-11-17 | 2011-06-29 | 徐兴 | Hydraulic reciprocating type oil well pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100721 Effective date of abandoning: 20091117 |