CN109681424A - Multistage-combination gear oil-well pump - Google Patents

Multistage-combination gear oil-well pump Download PDF

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Publication number
CN109681424A
CN109681424A CN201811388710.0A CN201811388710A CN109681424A CN 109681424 A CN109681424 A CN 109681424A CN 201811388710 A CN201811388710 A CN 201811388710A CN 109681424 A CN109681424 A CN 109681424A
Authority
CN
China
Prior art keywords
gear
oil
gear pump
pump
multistage
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.)
Pending
Application number
CN201811388710.0A
Other languages
Chinese (zh)
Inventor
于涛
叶少华
范思军
赵品
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.)
DALIAN HUAKE MACHINERY CO LTD
Original Assignee
DALIAN HUAKE 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 DALIAN HUAKE MACHINERY CO LTD filed Critical DALIAN HUAKE MACHINERY CO LTD
Priority to CN201811388710.0A priority Critical patent/CN109681424A/en
Publication of CN109681424A publication Critical patent/CN109681424A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/101Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members

Abstract

The invention discloses a kind of multistage-combination gear oil-well pumps, including multiple gear pump modules arranged in the vertical direction;Each gear pump module is made of multiple gear pumps mutually stacked;In same gear pump module, the outlet of the gear pump for closing on lower section in the entrance of gear pump and same gear pump module;The oil well pump further includes oil pumping passage and oil discharge passage, and oil pumping passage is connected to the entrance for a gear pump for being located at each gear pump module bottom, the outlet of oil discharge passage and a gear pump for being located at each gear pump module the top;Gear pump is crescent gear pump, and the internal gear of each gear pump is also by same root transmission axis connection driving.The present invention is by being directly connected to transmission shaft for motor, so that it may realize that the operating of all gear pumps, very simple and device the maintenance of driving method are relatively simple.

Description

Multistage-combination gear oil-well pump
Technical field
The present invention relates to field of petroleum exploitation, more specifically to a kind of multistage-combination gear oil-well pump.
Background technique
It is all often to take very large-scale equipment, such as beam type kowtowing machine etc. during exploiting oil field, these Equipment is mostly extremely complex huge, and trouble difficult in maintenance, and driving process is also complex.For small-sized oil field, or for The lesser oil exploitation process of scale, if a more exquisite oil exploitation device can be designed, it will be of great use.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multistage-combination gear oil-well pumps, can be with an exquisite structure Make the exploitation that oil field is realized with mode.
In order to achieve the above object, the present invention takes following technical scheme:
A kind of multistage-combination gear oil-well pump, including multiple gear pump modules arranged in the vertical direction, each gear Pump module is made of multiple gear pumps mutually stacked, close on lower section one in the entrance of gear pump and same gear pump module A gear pump outlet (thus in gear pump module positioned at least significant end gear pump oil inlet just no longer with its He connects gear pump);The oil well pump further includes oil pumping passage and oil discharge passage, oil pumping passage be located at each gear pump module most The entrance of one gear pump of lower section is connected to, and oil discharge passage goes out with a gear pump positioned at each gear pump module the top Mouth connection;
Gear pump can be crescent gear pump, including the internal gear as driving wheel and as the external gear of driven wheel, The internal gear of each gear pump after transmission shaft rotates also by the vertically communicated connection driving of same root transmission shaft (to own Gear pump can be driven and rotate together).
It may include three gear pumps in each gear pump module.
(thus motor driven transmission shaft) can be also connected to motor in transmission shaft.
The oil well pump may also include the pump case for fixing gear pump, and gear pump is fixed on pump case by quill bearing Body.
The oil well pump may also include positioned at the oil pumping room of bottom, and interior of pumping is provided with check valve, and (oil pumping room is located at oil reservoir Above well liquid, check valve control oil liquid can only flow to oil pumping room from oil reservoir and cannot flow to oil reservoir well liquid from oil pumping room), oil pumping is logical Road is connected to oil pumping room.
The oil well pump may also include the output oil pipe for being connected to top, and oil discharge passage is connected to output oil pipe.
It is an advantage of the current invention that motor is directly connected to transmission shaft, so that it may realize the operating of all gear pumps, drive Flowing mode is very simple;In addition, by be arranged in a gear pump module multiple gear pumps in the way of, increase each gear The extraction force of pump module, and by the output oil liquid of each gear pump module be together in parallel in the way of, can be easily Setting more multiple gearpump module is to improve efficiency;In addition to this, due to the plurality of advantages that gear pump itself has, the device Just there are these following advantages: simple and compact, small in size, light weight, good manufacturability, cheap;Self-suction is strong, to oil contamination The insensitive, range of speeds is big, can impact resistance load;Easy to maintain, reliable operation, energy conservation and environmental protection etc., this is for oil field Exploitation, the exploitation in especially small-sized oil field are very convenient.
Detailed description of the invention
Fig. 1 is oil well pump of the present invention along axial sectional view;
Fig. 2 is the sectional view of oil well pump of the present invention radially.
In figure, 1, output oil pipe, 2, transmission shaft, 3, pump case, 4, oil discharge passage, 5, external gear, 6, internal gear, 7, pump stage Channel, 81, oil pumping parallel port, 82, fuel-displaced parallel port, 9, needle bearing, 10, tertiary gear pump, 11, secondary gear wheel pump, 12, one-stage gear pumps, 13, check valve, 14, oil reservoir well liquid, 15, oil pumping passage, 16, packing crescent moon, 17, oil pumping room.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawing.
It is as shown in Figure 1 oil well pump of the present invention along axial sectional view, basic principle of the invention is, passes through transmission shaft 2 rotation drives the rotation of multiple gear pumps, to (wherein include petroleum by oil reservoir well liquid 14;Oil recovery process will be toward ground undershoot Enter water, drive petroleum to extract together using the pressure of water) oil pumping room 17 is first evacuated to by check valve 13, then successively lead to again It crosses oil pumping passage 15, gear pump and oil discharge passage 4 and is evacuated to output oil pipe 1 positioned at top, oil well pump of the present invention is described below Specific structure.
Still as shown in Figure 1, being located at bottom, there are three the gear pumps that mutually stack, from the bottom up respectively one-stage gear Pump 12, secondary gear wheel pump 11 and tertiary gear pump 10.These three gear pumps one gear pump module of composition, and such gear pump Module is arranged with many from the bottom up, and specific quantity can be determined (the gear pump quantity in gear pump module by actual conditions It can also be determined by actual conditions, here as one embodiment has selected three).
What meaning does the division of gear pump module have since being all the arrangement of gear pump in the vertical direction?
In a gear pump module, the entrance of each gear pump and close on the most the tooth immediately below it The outlet of wheel pump is connected by pump stage channel 7, but because below a gear pump of bottom in the gear pump module not There is gear pump again, therefore the entrance of the gear pump of bottom is not just connect with the outlet of other gear pumps.In this way, a tooth Take turns only one entrance and one outlet in pump module, be respectively a gear pump of its bottom entrance and the top one The outlet of a gear pump, so, the function of a gear pump module are equivalent to the function of a gear pump, but this The series connection of sample can allow the oil pumping ability of gear pump module to be improved.
Next, from be located at bottom oil pumping room 17 in draw an oil pumping passage 15, by this oil pumping passage 15 with The entrance of each gear pump module is attached by parallel port 81 of pumping;Then again with one gear pump module of bottom Outlet is starting point toward 1 direction of output oil pipe extension, one oil discharge passage 4 of extraction, which finally leads with output oil pipe 1 It is logical, but be attached with the outlet of each gear pump module by fuel-displaced parallel port 82 in road, in this way, each tooth Wheel pump module can be transferred through same oil pumping passage 15 and pump, and can also be carried out by same oil discharge passage 4 fuel-displaced.
Certainly, entire oil well pump can not only have the above internal structure mentioned, and also have for fixed and closed interior The pump case 3 of structure, and gear pump is fixed on pump case 3 by needle bearing 9, oil pumping passage 15 and oil discharge passage 4 are also opened In pump case 3.
Fig. 2 shows the radial cutaway view of the oil well pump, it is mainly used for expressing the effect of gear pump.It can be seen that gear Pump includes the lesser internal gear 6 of diameter, and the external gear 5 being relatively large in diameter, and internal gear 6 and external gear 5 engage, and forms one Semi-moon shaped void area, oil liquid are exactly to be transmitted in this void area.It can be seen that being also provided with packing in gear pump Crescent moon 16, these are all existing gear pump structures, and just few expansion set forth.
Pumping operation can be carried out by manpower rotating drive shaft 2 in principle, but can also be filled with motor or other drivings Set the pumping operation for being attached and thus allowing for higher efficiency and more automating.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of multistage-combination gear oil-well pump, which is characterized in that including multiple gear pump modules arranged in the vertical direction;
Each gear pump module is made of multiple gear pumps mutually stacked;Each gear pump includes being used as driving wheel Internal gear and external gear as driven wheel;Each internal gear vertically connects driving by same root transmission shaft;
In the same gear pump module, in addition to be located at bottom a gear pump, the entrance of the gear pump with The outlet of a gear pump for closing on lower section in the same gear pump module;
The oil well pump further includes oil pumping passage and oil discharge passage, the oil pumping passage with to be located at each gear pump module most lower The entrance connection of one gear pump of side, the oil discharge passage be located at one of each gear pump module the top The outlet of the gear pump.
2. multistage-combination gear oil-well pump according to claim 1, which is characterized in that include in each gear pump module Three gear pumps.
3. multistage-combination gear oil-well pump according to claim 1, which is characterized in that the transmission shaft is also connected to motor.
4. multistage-combination gear oil-well pump according to claim 1, which is characterized in that the oil well pump further includes for fixing State the pump case of gear pump.
5. multistage-combination gear oil-well pump according to claim 4, which is characterized in that the gear pump is solid by quill bearing Due to the pump case.
6. multistage-combination gear oil-well pump according to claim 1, which is characterized in that the oil well pump further includes being located at bottom Oil pumping room, the oil pumping interior is provided with check valve.
7. multistage-combination gear oil-well pump according to claim 6, which is characterized in that the oil pumping passage and the oil pumping room Connection.
8. multistage-combination gear oil-well pump according to claim 1, which is characterized in that the oil well pump further includes being connected to top Output oil pipe.
9. multistage-combination gear oil-well pump according to claim 8, which is characterized in that the oil discharge passage and output oil Pipe connection.
CN201811388710.0A 2018-11-21 2018-11-21 Multistage-combination gear oil-well pump Pending CN109681424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811388710.0A CN109681424A (en) 2018-11-21 2018-11-21 Multistage-combination gear oil-well pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811388710.0A CN109681424A (en) 2018-11-21 2018-11-21 Multistage-combination gear oil-well pump

Publications (1)

Publication Number Publication Date
CN109681424A true CN109681424A (en) 2019-04-26

Family

ID=66184911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811388710.0A Pending CN109681424A (en) 2018-11-21 2018-11-21 Multistage-combination gear oil-well pump

Country Status (1)

Country Link
CN (1) CN109681424A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328824A (en) * 1979-12-10 1982-05-11 General Electric Company Flow divider with plural metering gears, unrestrained spacers there-between and lubricated end roller bearings
US6413065B1 (en) * 1998-09-09 2002-07-02 Pradeep Dass Modular downhole multiphase pump
CN1560476A (en) * 2004-02-19 2005-01-05 北京石油化工学院 Oil production system with electric oil-submersible dule screw rod pump
CN101126383A (en) * 2007-09-17 2008-02-20 马宝忠 Hydraulic driving gear oil-well pump
CN102317571A (en) * 2009-02-10 2012-01-11 英国石油勘探运作有限公司 Pump
CN202493425U (en) * 2012-02-01 2012-10-17 河北恒盛泵业股份有限公司 Multistage inner gearing gear pump
CN104196719A (en) * 2014-08-29 2014-12-10 西北工业大学 Multi-stage internal meshing aircraft fuel gear pump
CN104695910A (en) * 2015-02-17 2015-06-10 中国石油大学(北京) Relay lifting oil production device and method for same type of volumetric pumps
CN106286286A (en) * 2016-08-25 2017-01-04 陈兆红 Vane type parallel-connected pumps

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328824A (en) * 1979-12-10 1982-05-11 General Electric Company Flow divider with plural metering gears, unrestrained spacers there-between and lubricated end roller bearings
US6413065B1 (en) * 1998-09-09 2002-07-02 Pradeep Dass Modular downhole multiphase pump
CN1560476A (en) * 2004-02-19 2005-01-05 北京石油化工学院 Oil production system with electric oil-submersible dule screw rod pump
CN101126383A (en) * 2007-09-17 2008-02-20 马宝忠 Hydraulic driving gear oil-well pump
CN102317571A (en) * 2009-02-10 2012-01-11 英国石油勘探运作有限公司 Pump
CN202493425U (en) * 2012-02-01 2012-10-17 河北恒盛泵业股份有限公司 Multistage inner gearing gear pump
CN104196719A (en) * 2014-08-29 2014-12-10 西北工业大学 Multi-stage internal meshing aircraft fuel gear pump
CN104695910A (en) * 2015-02-17 2015-06-10 中国石油大学(北京) Relay lifting oil production device and method for same type of volumetric pumps
CN106286286A (en) * 2016-08-25 2017-01-04 陈兆红 Vane type parallel-connected pumps

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Application publication date: 20190426