CN108374781A - Oil well pump is strike-off device and its manufacturing method - Google Patents

Oil well pump is strike-off device and its manufacturing method Download PDF

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Publication number
CN108374781A
CN108374781A CN201810242120.0A CN201810242120A CN108374781A CN 108374781 A CN108374781 A CN 108374781A CN 201810242120 A CN201810242120 A CN 201810242120A CN 108374781 A CN108374781 A CN 108374781A
Authority
CN
China
Prior art keywords
oil well
well pump
strike
screw socket
sand hole
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.)
Withdrawn
Application number
CN201810242120.0A
Other languages
Chinese (zh)
Inventor
李东辉
王俊新
王俊力
陈习报
苗国华
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.)
Jianhu Long New Petroleum Machinery Co Ltd
Original Assignee
Jianhu Long New Petroleum 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 Jianhu Long New Petroleum Machinery Co Ltd filed Critical Jianhu Long New Petroleum Machinery Co Ltd
Priority to CN201810242120.0A priority Critical patent/CN108374781A/en
Publication of CN108374781A publication Critical patent/CN108374781A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/005—Sand trap arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

Oil well pump is strike-off device and its manufacturing method, and technical solution is：One oil well pump that can be strike-off of design is strike-off device, and device prevents sand grains in crude oil from between plunger and pump barrel between the upper travelling ball cover and upward-traveling valves connector of oil well pump, and oil well pump device of strike-ofing is made of sand hole straight coupling and scraper rings；The sand hole straight coupling is straight-through for tubulose, and upper port is equipped with upper screw socket；Lower port is equipped with lower screw socket；Middle part is equipped with cutter groove, and sand hole is equipped with back at cutter groove；The scraper rings are circular ring shape, are equipped with knife circumferential weld, magnify collar extension when being easily installed；The section of ring muscle is in prismatic, and the low outside diameter wall of inner diameter wall is high, forms two blades up and down；Advantageous effect is；Card machine crash caused by capable of solving the problems, such as the sand sedimentation in oil pump plunger piston crude oil suitable for reading, improves the working efficiency of oil well pump.

Description

Oil well pump is strike-off device and its manufacturing method
Technical field
The present invention relates to a kind of its manufacturing methods of oil field equipment accessory., especially oil well pump strike-offs device and its manufacture Method.
Background technology
Oil well pump is a kind of common pumping unit crude oil in well being extracted on ground, and existing oil well pump is mainly by upstream Dynamic ball cover, upper ball sealer, upper sealed ball seat, upper fixed valve union, upward-traveling valves connector, plunger, pump barrel, middle travelling valve bonnet, in Ball sealer, middle sealed ball seat, sealing seat cover, middle fixed valve union, lower standing valve cover, lower ball sealer, lower sealed ball seat, lower fixation Valve union forms；Its oil pumping mode is crude oil to be promoted from lower to eminence by the up and down motion of plunger and crude oil from shaft bottom It is inside extracted on well outside output well, is blocked between pump barrel and plunger due to containing the easy aggregation of sand grains in crude oil, after long-term accumulation The up and down motion of the plunger of oil well pump can be blocked and be stopped, therefore the plunger outer wall face of oil well pump is provided with multiple recess The poly- husky slot in right angle, to slow down obstruction of the sand grains to oil well pump, but also undesirable, sand grains can gather sand after work a period of time Slot, final or obstruction oil well pump are stopped, and oil well pump card machine crash problem are caused, so we are by practice analysis and grind Study carefully design, invents a kind of oil well pump and strike-off device to solve the problems, such as this.
Invention content
In order to overcome the shortcomings and deficiencies of existing oil well pump, the present invention provides a kind of oil well pump and strike-offs device, to solve The problem of oil well pump card machine crashes.
The technical solution adopted by the present invention to solve the technical problems is：One oil well pump that can be strike-off of design is strike-off device, Device between the upper travelling ball cover and upward-traveling valves connector of oil well pump, prevent sand grains in crude oil from into plunger and pump barrel it Between, oil well pump card machine crash caused by solving the problems, such as the sand sedimentation in crude oil suitable for reading, and to the plunger and pump barrel of oil well pump There is protective effect, reach increase service life, reduces the purpose that failure improves oil recovery efficiency.
Oil well pump device of strike-ofing is made of sand hole straight coupling and scraper rings.
The sand hole straight coupling is straight-through for tubulose, and upper port is equipped with upper screw socket；Lower port is equipped with lower screw socket；Middle part is equipped with Cutter groove is equipped with back sand hole at cutter groove.
The scraper rings are circular ring shape, are equipped with knife circumferential weld, magnify collar extension when being easily installed；The section of ring muscle is in rib Shape, the low outside diameter wall of inner diameter wall is high, forms two blades up and down；Further pump barrel is made in order to avoid scraper rings work long hours At seam trace and to influence service life long, knife circumferential weld is arranged to R-joining, i.e. the disk angle of knife circumferential weld and scraper rings is：It is interior Angle 40 to 50 is spent, and exterior angle 130 to 140 is spent.
The sand hole straight coupling and scraper rings are combined as：Scraper rings are collapsed to the cutter groove opened and be nested in sand hole straight coupling In.
The beneficial effects of the invention are as follows；Card machine caused by capable of solving the sand sedimentation in oil pump plunger piston crude oil suitable for reading crashes Problem improves oil well pump rate of pumping, oil pumping yield；Oil well pump failure rate is reduced, maintenance personnel is reduced；Improving the pump of oil pumping makes Use the service life；Improve the working efficiency and oil recovery economic benefit of oil well pump.
Description of the drawings
Fig. 1 is the oil well pump structure sectional view that device has the present invention.
Fig. 2 is the enlarged top view for the oil well pump structure sectional view that device has the present invention.
Fig. 3 is the structure sectional view of the present invention.
Fig. 4 is the structure sectional view of the sand hole straight coupling of the present invention.
Fig. 5 is the structure sectional view of the scraper rings of the present invention.
Fig. 6 is a kind of oil well pump structure sectional view of no device present invention.
Fig. 7 is a kind of enlarged top view of oil well pump structure sectional view of no device present invention.
In figure, move about ball cover on 1.；Ball sealer on 2.；Sealed ball seat on 3.；4. valve union is fixed on；5. upward-traveling valves connect Head；6. plunger；7. pump barrel；8. move about valve bonnet in；Ball sealer in 9.；Sealed ball seat in 10.；11. sealing seat cover；It is fixed in 12. Valve union；13. lower standing valve cover；14. lower ball sealer；15. lower sealed ball seat；16. lower fixed valve union；17. oil well pump is strike-off Device；17-1. sand hole straight coupling；17-2. cutter grooves；17-3. returning sand hole；17-4. crude oil channel；17-5. lower screw socket；On 17-6. Screw socket；17-7. scraper rings；17-8. knife circumferential weld；17-9. blades；17-10. upper ball cover.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
In figure 3, oil well pump is strike-off device（17）Mainly by sand hole straight coupling（17-1）And scraper rings（17-7）Composition；Institute State sand hole straight coupling（17-1）Lower screw socket（17-5）For with upward-traveling valves connector（5）Connection, upper screw socket（17-6）For With upper travelling ball cover（1）Connection；In upper screw socket（17-6）With lower screw socket（17-5）Between be the crude oil channel communicated（17-4）, former Oily channel（17-4）In be provided with ball cover（17-10）, the scraper rings（17-7）Device is in sand hole straight coupling（17-1）'s Cutter groove（17-2）In.
In Fig. 4, the sand hole straight coupling（17-1）Upper end be equipped with upper screw socket（17-6）, lower end is equipped with lower screw socket （17-5）；In upper screw socket（17-6）, with lower screw socket（17-5）Between be the crude oil channel communicated（17-4）, in crude oil channel（17- 4）In be provided with ball cover（17-10）；Cutter groove is equipped at section in the outer wall（17-2）, in cutter groove（17-2）With crude oil channel（17- 4）Between be equipped with back sand hole（17-3）, return sand hole（17-3）Make cutter groove（17-2）With crude oil channel（17-4）It communicates, is convenient for crude oil In sand grains from cutter groove（17-2）Flow into back sand hole（17-3）Flow to crude oil channel（17-4）.
The sand hole straight coupling（17-1）Manufacturing method：The first step, the selection of material, in order to ensure its durability, Material is using special copper and zinc, the alloy bar material of tin, manganese, nickel, aluminum smelting technology, the composition quality ratio of the alloy bar material：Copper 45%, zinc 7%, tin 5%, manganese 10%, nickel 15%, aluminium 18%；Second step, rough turning forming；Third walks, and heat treatment does not have back after quenching Before fire, hardness is more than HRC48, is less than HRC51；4th step, smooth turning；5th step, peripheral milling.
In Figure 5, the scraper rings（17-7）For circular ring shape, it is equipped with knife circumferential weld（17-8）, the section of ring body is in prismatic, The low outside diameter wall of inner diameter wall is high, forms two blades up and down（17-9）, scraper rings（17-7）Width be cutter groove（17-2）Width 2/3rds；Wall thickness dimension is less than cutter groove（17-2）Depth dimensions；Knife circumferential weld is set（17-8）With scraper rings（17-7）Circle Plane Angle is：45 degree of interior angle, 135 degree of exterior angle.
The scraper rings（17-7）Manufacturing method：The first step, the selection of material, in order to ensure that its wearability, material are adopted The alloy bar material smelted with special copper and zinc, lead, manganese, nickel, molybdenum, the composition quality ratio of the alloy bar material are：Copper 38%, zinc 8%, lead 13%, manganese 11%, nickel 13%, molybdenum 17%；Second step, turning forming；Third walks, heat treatment, and after Q-tempering, hardness is more than HRC55 is less than HRC58；4th step, peripheral milling；5th step, joint-cutting.
Assembly, by scraper rings（17-7）It is put into paraffin pot and is heated to 75 degree, immersion is taken out after five minutes, and surface is covered with The scraper rings of paraffin（17-7）Opening is put in sand hole straight coupling（17-1）Cutter groove（17-2）In.
In Fig. 1, Fig. 2, device has oil well pump to strike-off device（17）Oil well pump include upper travelling ball cover（1）, upper ball sealer （2）, upper sealed ball seat（3）, upper fixed valve union（4）, upward-traveling valves connector（5）, plunger（6）Pump barrel（7）, middle travelling valve bonnet (8) ball sealer (9), middle sealed ball seat in（10）, sealing seat cover（11）Middle fixed valve union（12）, lower standing valve cover（13）, under Ball sealer（14）, lower sealed ball seat（15）, lower fixed valve union（16）Device；Further include that oil well pump is strike-off device（17）, oil well pump It strike-offs device（17）Upper travelling ball cover of the device in oil well pump（1）With upward-traveling valves connector（5）Between；Lower screw socket（17-5）With upstream Dynamic valve union（5）Connection, upper screw socket（17-6）With upper travelling ball cover（1）Connection.
Oil well pump is strike-off device（17）Effect be：When pump pump work oil pumping when, crude oil is from lower fixed valve union（16）Into Enter upwards to upper fixed valve union（4）；Sand grains in crude oil can be with the influence partly precipitated of time and gravity；It is of the invention at this time （17）Scraper rings（17-7）Sand grains can be scraped into cutter groove（17-2）, by returning sand hole（17-3）Flow back into crude oil channel（17- 4）, prevent the sand grains in crude oil from being deposited to plunger（6）With pump barrel（7）Between, solve plunger（6）Sand grains in crude oil suitable for reading Precipitation causes the card machine crash problem of oil well pump.
In Fig. 6, Fig. 7, without the device present invention oil well pump by upper travelling ball cover（1）, upper ball sealer（2）, upper sealing Ball seat（3）, upper fixed valve union（4）, upward-traveling valves connector（5）, plunger（6）, pump barrel（7）, ball sealer in middle travelling valve bonnet (8) (9), middle sealed ball seat（10）, sealing seat cover（11）Middle fixed valve union（12）, lower standing valve cover（13）, lower ball sealer（14）Under Sealed ball seat（15）Lower fixed valve union（16）Composition；Due to there is no device oil well pump to strike-off device（17）, cannot solve in crude oil Sand sedimentation caused by card machine crash problem.

Claims (1)

  1. Device and its manufacturing method 1. oil well pump is strike-off, it is characterised in that:Oil well pump is strike-off device（17）Mainly by sand hole straight coupling （17-1）And scraper rings（17-7）Composition；The sand hole straight coupling（17-1）Upper end be equipped with upper screw socket（17-6）, lower end Equipped with lower screw socket（17-5）；In upper screw socket（17-6）, with lower screw socket（17-5）Between be the crude oil channel communicated（17-4）；In original Oily channel（17-4）In be provided with ball cover（17-10）；Cutter groove is equipped at section in the outer wall（17-2）；The scraper rings（17-7） For circular ring shape, it is equipped with knife circumferential weld（17-8）；The sand hole straight coupling（17-1）Lower screw socket（17-5）For with upward-traveling valves Connector（5）Connection, upper screw socket（17-6）For with upper travelling ball cover（1）Connection；The scraper rings（17-7）Device is straight in sand hole Pass joint（17-1）Cutter groove（17-2）In；The sand hole straight coupling（17-1）Manufacturing method：The first step, the choosing of material It selects, in order to ensure its durability, material is using special copper and zinc, the alloy bar material of tin, manganese, nickel, aluminum smelting technology, the alloy bar The composition quality ratio of material is：Copper 45%, zinc 7%, tin 5%, manganese 10%, nickel 15%, aluminium 18%；Second step, rough turning forming；Third walks, Heat treatment is less than HRC51 that before being tempered, hardness is not more than HRC48 after quenching；4th step, smooth turning；5th step, outer circle Mill；The scraper rings（17-7）Manufacturing method：The first step, the selection of material, in order to ensure its wearability, material is using special Copper and zinc, the alloy bar material smelted of lead, manganese, nickel, molybdenum, the composition quality ratio of the alloy bar material is：Copper 38%, zinc 8%, lead 13%, manganese 11%, nickel 13%, molybdenum 17%；Second step, turning forming；Third walks, heat treatment, and after Q-tempering, hardness is more than HRC55, Less than HRC58；4th step, peripheral milling；5th step, joint-cutting；Assembly method, by scraper rings（17-7）It is put into paraffin pot and is heated to 75 degree, immersion is taken out after five minutes, and surface is covered with to the scraper rings of paraffin（17-7）Opening is put in sand hole straight coupling（17-1） Cutter groove（17-2）In.
CN201810242120.0A 2018-03-22 2018-03-22 Oil well pump is strike-off device and its manufacturing method Withdrawn CN108374781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810242120.0A CN108374781A (en) 2018-03-22 2018-03-22 Oil well pump is strike-off device and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810242120.0A CN108374781A (en) 2018-03-22 2018-03-22 Oil well pump is strike-off device and its manufacturing method

Publications (1)

Publication Number Publication Date
CN108374781A true CN108374781A (en) 2018-08-07

Family

ID=63019093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810242120.0A Withdrawn CN108374781A (en) 2018-03-22 2018-03-22 Oil well pump is strike-off device and its manufacturing method

Country Status (1)

Country Link
CN (1) CN108374781A (en)

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WW01 Invention patent application withdrawn after publication
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Application publication date: 20180807