CN205078410U - Two effect hydraulic piston pumps - Google Patents
Two effect hydraulic piston pumps Download PDFInfo
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- CN205078410U CN205078410U CN201520868831.0U CN201520868831U CN205078410U CN 205078410 U CN205078410 U CN 205078410U CN 201520868831 U CN201520868831 U CN 201520868831U CN 205078410 U CN205078410 U CN 205078410U
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- pipe nipple
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- oil cylinder
- piston
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Abstract
The utility model relates to a two effect hydraulic piston pumps belongs to oil field oil production equipment technical field. It comprises hydraulic oil hydro -cylinder nipple joint, upper portion hydro -cylinder, piston power nipple joint, lower part hydro -cylinder, oil storage nipple joint and submersible motor, and hydraulic oil hydro -cylinder nipple joint upper portion is connected with oil pipe, and the lower part is passed through flange dish and is connected with the upper portion hydro -cylinder, and the following of upper portion hydro -cylinder is connected with the lower part hydro -cylinder through the piston power nipple joint, installs oil storage nipple joint and submersible motor below the hydro -cylinder of lower part. This two effect hydraulic piston pumps provides power through submersible motor makes the gear oil pump produce high -pressure hydraulic oil, and the piston power nipple joint is worked under the effect of high -pressure hydraulic oil, realizes the reciprocating motion of piston, and the effect realizes the effect of oil pumping in succession in the time of through upper portion hydro -cylinder and lower part hydro -cylinder. Solved the pole oil -well pump and can not realize continuous oil pumping, and energy losses is big, efficiency is not high, if and the long -time termination of pumping of current progressive cavity pump, because subsiding of grit is caused starting difficulty or is blocked dead problem.
Description
Technical field
The utility model relates to a kind of double-action hydraulic piston pump, belongs to oil field equipment technical field.
Background technique
In order to improve oil recovery efficiency, reduce power consumption, reduce manufacture cost, oil extraction in oil field is more prone to adopt reciprocating Rodless oil extraction system.For general rod pumping pump, not only structural volume is huge and heavy, can not realize continuous oil pumping, and need overcome the deadweight of sucker rod and the friction working of sucker rod and tube wall during work, cause a large amount of electric energy losses, efficiency is not high.In addition, also there is the short problem of oil pipe abrasion, rod parting and pump detection period in rod pumping pump.At present, the development of rodless pump is comparatively rapid, and using more has progressive cavity pump, and this pump provides power to drive screw pump work by oil-submersible motor, realizes pumping continuously.But screw pump in actual use, if long-time termination of pumping, this pump can cause difficulty in starting or stuck due to the sedimentation of sand, causes oil extraction operation not carry out, affects oil recovery efficiency greatly.
Summary of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, provides a kind of two-way ram that adopts to ensure fuel-displaced continuity, the energy dissipation that minimizing sucker rod causes and mechanical failure, working efficiency is high, reasonable structural arrangement, and processing, manufacture and assembling are easily; High to solve existing progressive cavity pump energy consumption, the sedimentation of long-time termination of pumping sand causes the double-action hydraulic piston pump of difficulty in starting or stuck technical problem.
The utility model realizes above-mentioned purpose by the following technical solutions:
A kind of double-action hydraulic piston pump, it is made up of hydraulic oil oil cylinder pipe nipple, top oil cylinder, piston power pipe nipple, bottom oil cylinder, oil storage pipe nipple, gear oil pump and oil-submersible motor, it is characterized in that: hydraulic oil oil cylinder pipe nipple top is connected with oil pipe by flange plate, hydraulic oil oil cylinder pipe nipple bottom is connected with top oil cylinder by flange plate, piston power pipe nipple is installed below the oil cylinder of top, piston power pipe nipple be connected with bottom oil cylinder below by bolt, be provided with oil storage pipe nipple below the oil cylinder of bottom, oil storage pipe nipple has oil-submersible motor below by support installing.
Described hydraulic oil oil cylinder pipe nipple is made up of upper shell and lower shell body two-part, and upper-lower casing is threaded connection; Hydraulic oil oil cylinder pipe nipple inside is evenly equipped with runner and tapped hole and an oil storage chamber, and be placed with bladder-type cell in oil storage chamber, lower shell body is manufactured with two interfaces, and an interface is for connecting transport pipe, and another interface is connected with oil storage chamber by short tube.
Oil extraction one-way valve a is equipped with at the upper flanges place of described top oil cylinder, the sidewall of top oil cylinder is equipped with oil sucting one-way valve a, oil sucting one-way valve a by welded and installed on the outer wall of top oil cylinder; The lower end of described bottom oil cylinder is equipped with oil extraction one-way valve b, the sidewall of bottom oil cylinder is equipped with oil sucting one-way valve b, oil sucting one-way valve b by welded and installed on the sidewall of bottom oil cylinder.
In described piston power pipe nipple, piston is installed, piston power pipe nipple is manufactured with two piston power pipe nipple oil inlet ends and a piston power pipe nipple oil outlet end, oil inlet hole is connected with gear oil delivery side of pump by hydraulic oil pipe, and oil outlet is connected with the hydraulic oil pipe of bladder-type cell and gear oil pump import.
Described oil storage pipe nipple bottom is provided with support by four screw holes, the upper and lower two ends of support are all manufactured with threaded coupling, support is provided with gear oil pump, and support bottom is connected with oil-submersible motor, and oil-submersible motor is connected with the power intake of gear oil pump by coupling; The outside of gear oil pump is provided with detachable protective cover; The sidewall of oil storage pipe nipple is manufactured with the interface be connected with transport pipe.
The utility model beneficial effect is compared with prior art:
This double-action hydraulic piston pump adopts two-way ram to ensure fuel-displaced continuity, can reduce energy dissipation and mechanical failure that sucker rod causes.And reasonable structural arrangement, easily, working efficiency is high for processing, manufacture and assembling.Solve existing rod pumping pump and can not realize continuous oil pumping, need overcome the deadweight of sucker rod and the friction working of sucker rod and tube wall during work, cause a large amount of electric energy losses, efficiency is not high; And existing progressive cavity pump provides power to drive screw pump work by oil-submersible motor, if long-time termination of pumping in actual use, sedimentation due to sand causes difficulty in starting or stuck, causes oil extraction operation not carry out, and affects the problem of oil recovery efficiency greatly.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of double-action hydraulic piston pump;
Fig. 2 is a kind of top structure for amplifying schematic diagram of double-action hydraulic piston pump;
Fig. 3 is a kind of middle part structure for amplifying schematic diagram of double-action hydraulic piston pump;
Fig. 4 is a kind of bottom structure for amplifying schematic diagram of double-action hydraulic piston pump;
Fig. 5 is the structural representation of hydraulic oil oil cylinder pipe nipple;
Fig. 6 is the structural representation of top oil cylinder;
Fig. 7 is the structural representation of bottom oil cylinder;
Fig. 8 is the structural representation of piston power pipe nipple.
In figure: 1, hydraulic oil oil cylinder pipe nipple, 2, oil extraction one-way valve a, 3, enter gear oil pump hydraulic fluid pipeline, 4, oil sucting one-way valve a, 5, top oil cylinder, 6, piston power pipe nipple, 7, go out gear oil pump hydraulic fluid pipeline, 8, transport pipe, 9, bottom oil cylinder, 10, oil extraction one-way valve b, 11, oil storage pipe nipple, 12, safety cover, 13, support, 14, gear oil pump, 15, oil-submersible motor, 16, short tube, 17, oil storage chamber, 18, runner, 19, tapped hole, 20, bladder-type cell, 21, oil sucting one-way valve b, 22, piston power pipe nipple oil outlet end, 23, piston power pipe nipple oil inlet end, 24, piston.
Embodiment
Should in order to explain the technical solution of the utility model further, below in conjunction with accompanying drawing, that the utility model is elaborated is as follows.
This double-action hydraulic piston pump is by hydraulic oil oil cylinder pipe nipple 1, top oil cylinder 5, piston power pipe nipple 6, bottom oil cylinder 9, oil storage pipe nipple 11, gear oil pump 14 and oil-submersible motor 15 are formed, hydraulic oil oil cylinder pipe nipple 1 top is connected with oil pipe by flange plate, the bottom of hydraulic oil oil cylinder pipe nipple 1 is connected with top oil cylinder 5 by flange plate, piston power pipe nipple 6 is installed below top oil cylinder 5, piston power pipe nipple 6 be connected with bottom oil cylinder 9 below by bolt, bottom oil cylinder 9 is provided with oil storage pipe nipple 11 below, oil storage pipe nipple 11 is provided with oil-submersible motor 15 below by support 13.(see accompanying drawing 1 ~ 4).
Described hydraulic oil oil cylinder pipe nipple 1 is made up of upper shell and lower shell body two-part, and upper-lower casing is threaded connection; Hydraulic oil oil cylinder pipe nipple 1 inside is evenly equipped with runner 18 and tapped hole 19 and an oil storage chamber 17, runner 18 enters oil pipe for the ease of the liquid of bottom, tapped hole 19 uses screw to fix oil storage chamber, bladder-type cell 20 is placed with in oil storage chamber 17, lower shell body is manufactured with two interfaces, an interface is for connecting transport pipe, and another interface is connected with oil storage chamber 17 by short tube 16.By the pressure balance that oil storage chamber 17 and the object of oil well pump ft connection are to keep in oil storage chamber 17, making the pressure stability of gear oil pump 14 entrance point hydraulic oil, contributing to circulation and the work of hydraulic oil.(see accompanying drawing 5).
Oil extraction one-way valve a2 is equipped with at the upper flanges place of described top oil cylinder 5, the sidewall of top oil cylinder 5 is equipped with oil sucting one-way valve a4, oil sucting one-way valve a4 by welded and installed on the outer wall of top oil cylinder 5; The lower end of described bottom oil cylinder 9 is equipped with oil extraction one-way valve b10, the sidewall of bottom oil cylinder 5 is equipped with oil sucting one-way valve b21, oil sucting one-way valve b21 by welded and installed on the sidewall of bottom oil cylinder 9.(see accompanying drawing 6 and 7).
In described piston power pipe nipple 6, piston 24 is installed, piston power pipe nipple 6 is manufactured with two piston power pipe nipple oil inlet ends 23 and a piston power pipe nipple oil outlet end 22, piston power pipe nipple oil inlet end 23 is connected by the outlet of hydraulic oil pipe with gear oil pump 14, and piston power pipe nipple oil outlet end 22 is connected with the hydraulic oil pipe of bladder-type cell 20 and gear oil pump 14 import.(see accompanying drawing 8).
Described oil storage pipe nipple 11 bottom is provided with support 13 by four screw holes, the two ends up and down of support 13 are all manufactured with threaded coupling, support 13 is provided with gear oil pump 14, support 13 bottom is connected with oil-submersible motor 15, and oil-submersible motor 15 is connected by the power intake of coupling with gear oil pump 14; The outside of gear oil pump 14 is provided with detachable protective cover 12; The sidewall of oil storage pipe nipple 11 is manufactured with the interface be connected with transport pipe.
This double-action hydraulic piston pump provides power to make gear oil pump 14 produce high pressure liquid force feed by oil-submersible motor 15, piston power pipe nipple 6 works under the effect of high pressure liquid force feed, the to-and-fro motion realizing piston 24 changes the volume of top the oil cylinder 5 and bottom oil cylinder 9 be attached thereto, and makes the pressure of oil cylinder inside change to realize oil suction and the oil extraction of oil cylinder.Specific works process is:
When the piston 24 in piston power pipe nipple 6 moves downward, top oil cylinder 5 volume increases, and pressure reduces, and now the oil sucting one-way valve a4 of top oil cylinder 5 opens, and oil extraction one-way valve a2 closes, and the liquid in oil well is entered in top oil cylinder 5 by oil sucting one-way valve a4.Meanwhile, the piston 24 in piston power pipe nipple 6 moves downward the reduction that can cause bottom oil cylinder 9 volume, and pressure increases, then the oil sucting one-way valve b21 of bottom oil cylinder 9 closes, and oil extraction one-way valve b10 opens, and liquid enters oil storage pipe nipple 11.Liquid in oil storage pipe nipple 11 enters hydraulic oil oil cylinder pipe nipple 1 by transport pipe 8, then enters oil pipe.
In like manner, when the piston 24 in piston power pipe nipple 6 moves upward, top oil cylinder 5 volume reduces, and pressure increases, and now the oil sucting one-way valve a4 of top oil cylinder 5 closes, and oil extraction one-way valve a2 opens, and liquid directly enters hydraulic oil oil cylinder pipe nipple 1.Meanwhile, bottom oil cylinder 9 volume increases, and pressure reduces, then the oil sucting one-way valve b21 of bottom oil cylinder 9 opens, and oil extraction one-way valve b10 closes, and the oil in oil well is entered in bottom oil cylinder 9 by oil sucting one-way valve b21.Thus, piston power pipe nipple 6 works and can reach the object of oil pumping continuously under the hydraulic oil of continuous circulation drives.
The above is preferred embodiment of the present utility model, above-mentioned illustrating does not do any pro forma restriction to flesh and blood of the present utility model, any simple modification that person of an ordinary skill in the technical field has done above embodiment according to technical spirit of the present utility model after having read this specification or distortion, and the technology contents of above-mentioned announcement may be utilized to be changed or be modified to the Equivalent embodiments of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.
Claims (5)
1. a double-action hydraulic piston pump, it is by hydraulic oil oil cylinder pipe nipple (1), top oil cylinder (5), piston power pipe nipple (6), bottom oil cylinder (9), oil storage pipe nipple (11), gear oil pump (14) and oil-submersible motor (15) are formed, it is characterized in that: hydraulic oil oil cylinder pipe nipple (1) top is connected with oil pipe by flange plate, the bottom of hydraulic oil oil cylinder pipe nipple (1) is connected with top oil cylinder (5) by flange plate, piston power pipe nipple (6) is installed below top oil cylinder (5), piston power pipe nipple (6) be connected with bottom oil cylinder (9) below by bolt, bottom oil cylinder (9) is provided with oil storage pipe nipple (11) below, oil storage pipe nipple (11) is provided with oil-submersible motor (15) below by support (13).
2. a kind of double-action hydraulic piston pump according to claim 1, is characterized in that: described hydraulic oil oil cylinder pipe nipple (1) is made up of upper shell and lower shell body two-part, and upper-lower casing is threaded connection; Hydraulic oil oil cylinder pipe nipple (1) inside is evenly equipped with runner (18) and tapped hole (19) and an oil storage chamber (17), bladder-type cell (20) is placed with in oil storage chamber (17), lower shell body is manufactured with two interfaces, an interface is for connecting transport pipe, and another interface is connected with oil storage chamber (17) by short tube (16).
3. a kind of double-action hydraulic piston pump according to claim 1, it is characterized in that: oil extraction one-way valve a(2 is equipped with at the upper flanges place of described top oil cylinder (5)), the sidewall of top oil cylinder (5) is equipped with oil sucting one-way valve a(4), oil sucting one-way valve a(4) by welded and installed on the outer wall of top oil cylinder (5); Oil extraction one-way valve b(10 is equipped with in the lower end of described bottom oil cylinder (9)), the sidewall of bottom oil cylinder (5) is equipped with oil sucting one-way valve b(21), oil sucting one-way valve b(21) by welded and installed on the sidewall of bottom oil cylinder (9).
4. a kind of double-action hydraulic piston pump according to claim 1, it is characterized in that: in described piston power pipe nipple (6), piston (24) is installed, piston power pipe nipple (6) is manufactured with two piston power pipe nipple oil inlet ends (23) and a piston power pipe nipple oil outlet end (22), piston power pipe nipple oil inlet end (23) is connected by the outlet of hydraulic oil pipe with gear oil pump (14), and piston power pipe nipple oil outlet end (22) is connected with the hydraulic oil pipe of bladder-type cell (20) and gear oil pump (14) import.
5. a kind of double-action hydraulic piston pump according to claim 1, it is characterized in that: described oil storage pipe nipple (11) bottom is provided with support (13) by four screw holes, the two ends up and down of support (13) are all manufactured with threaded coupling, support (13) is provided with gear oil pump (14), support (13) bottom is connected with oil-submersible motor (15), and oil-submersible motor (15) is connected by the power intake of coupling with gear oil pump (14); The outside of gear oil pump (14) is provided with detachable protective cover (12); The sidewall of oil storage pipe nipple (11) is manufactured with the interface be connected with transport pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868831.0U CN205078410U (en) | 2015-11-04 | 2015-11-04 | Two effect hydraulic piston pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868831.0U CN205078410U (en) | 2015-11-04 | 2015-11-04 | Two effect hydraulic piston pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078410U true CN205078410U (en) | 2016-03-09 |
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ID=55430824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520868831.0U Withdrawn - After Issue CN205078410U (en) | 2015-11-04 | 2015-11-04 | Two effect hydraulic piston pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221378A (en) * | 2015-11-04 | 2016-01-06 | 长江大学 | A kind of double-action hydraulic piston pump |
| CN110306953A (en) * | 2019-06-14 | 2019-10-08 | 中国石油天然气股份有限公司 | Rodless oil production method and pipe column of electric submersible hydraulic piston pump |
-
2015
- 2015-11-04 CN CN201520868831.0U patent/CN205078410U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221378A (en) * | 2015-11-04 | 2016-01-06 | 长江大学 | A kind of double-action hydraulic piston pump |
| CN110306953A (en) * | 2019-06-14 | 2019-10-08 | 中国石油天然气股份有限公司 | Rodless oil production method and pipe column of electric submersible hydraulic piston 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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170405 |