CN102146780B - Submersible linear motor respirator - Google Patents
Submersible linear motor respirator Download PDFInfo
- Publication number
- CN102146780B CN102146780B CN201110063161.1A CN201110063161A CN102146780B CN 102146780 B CN102146780 B CN 102146780B CN 201110063161 A CN201110063161 A CN 201110063161A CN 102146780 B CN102146780 B CN 102146780B
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- China
- Prior art keywords
- respirator
- linear motor
- centering ring
- inner tube
- capsule
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- Linear Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a submersible linear motor respirator comprising a respiratory protection barrel, a capsule inner pipe, a capsule, joints, an oil inlet ring and a sand scraping device; the capsule is fixedly installed on the capsule inner pipe in a penetrating mode; the joints comprise an upper joint and a lower joint which are respectively arranged on the upper end and the lower end of the respiratory protection barrel; the upper joint and the lower joint are respectively sheathed on the capsule inner pipe; and the oil inlet ring and the sand scraping device are respectively installed in the lower joint in sequence from top to bottom. According to the invention, the problem of sand block caused by the fact that sand is easy to enter a submersible linear motor from the bottom can be solved through the sand scraping device and other components, thereby ensuring safe operation of the submersible linear motor underground. In addition, the respirator has a compact structure and can run reliably.
Description
[technical field]
The present invention relates to the technical field of shaft bottom oil production method, specifically, relate to a kind of submersible linear motor respirator.
[background technology]
Oil immersion line motor oil pumping is a kind of novel shaft bottom oil production method, and it has thoroughly changed traditional oil rig and has had the defects such as efficiency is low, power consumption is large, maintenance is large, has that efficiency is high, environmental protection and energy saving, Long-distance Control and an advantage such as maintenance is little.
At present, oil immersion line motor shaft bottom oil production method is more and more subject to the attention in oil field with its significant advantage, and oil immersion line motor is the core in this oil production method.But, if when independent oil immersion line motor is worked in shaft bottom, because shaft bottom is containing reasons such as sand, when the power of oil immersion line motor moves back and forth, often has containing sand and from bottom, enter and cause sand card.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of submersible linear motor respirator, it can overcome above-mentioned defect, for oil immersion line motor bottom, can equilibrium pressure while guaranteeing that oil-submersible linear electric motor mover moves back and forth, avoided from bottom, entering and causing sand card containing sand.
For achieving the above object, the present invention is achieved in that
A submersible linear motor respirator, it comprises respiratory protection cylinder, capsule inner tube, capsule, joint, oil-feed ring and the device of strike-ofing, described capsule is installed in described capsule inner tube admittedly; Described joint comprises top connection and lower contact, and the two ends up and down of described respiratory protection cylinder are located at respectively in described top connection and lower contact; Described top connection and described lower contact are set in respectively in described capsule inner tube, and described oil-feed ring, the device of strike-ofing are installed in the inside of described lower contact from the top down successively.
Preferably, spreading in the middle of above-mentioned capsule is configured as, two ends tighten in described capsule inner tube.
Preferably, between the inner and described capsule inner tube in above-mentioned top connection lower end, be circumferentially with seal groove; Between the inside, upper end of described lower contact and described capsule inner tube, be circumferentially also provided with seal groove.
Above-mentioned a kind of submersible linear motor respirator, it also further includes protective sleeve, and this protective sleeve comprises protective sleeve and lower protective sleeve, and described protective sleeve is up and down installed with respectively in described capsule two ends.
Above-mentioned a kind of submersible linear motor respirator, it also further includes centering ring and locking device, described centering ring comprises centering ring and lower centering ring, described locking device comprises locking member and lower locking member, described upper centering ring and upper locking member are located at the inside of described top connection, described upper centering ring is located at described capsule inner tube top, and described upper locking member withstands described upper centering ring; Described lower centering ring and lower locking member are located at the inside of described lower contact, and described lower centering ring is located at described oil-feed ring below, and described lower locking member withstands described lower centering ring, and the described device of strike-ofing is located at described lower locking member below.Preferably, upper locking member is upper locking nut, and lower locking member is lower locking nut.
Preferably, the internal diameter of above-mentioned capsule inner tube, locking device, centering ring, oil-feed ring and the device of strike-ofing is in the same size, forms axial passage.
Above-mentioned a kind of submersible linear motor respirator, it also further includes seal, and described seal is located between described oil-feed ring and lower centering ring.
Preferably, the above-mentioned lower contact position corresponding with described oil-feed ring is provided with oil filler point.
Above-mentioned a kind of submersible linear motor respirator, it also includes lower protection cylinder and protective cap, the upper end of described lower protection cylinder and described lower contact thread connection, the lower end of described lower protection cylinder and described protective cap thread connection.
Preferably, above-mentioned capsule inner tube is provided with spiracle, and described respiratory protection cylinder is provided with constant voltage hole.
Adopt after said method, during use, by the parts such as device of strike-ofing, solved containing sand and easily from bottom, entered the problem that causes sand card, can guarantee that oil immersion line motor moves in well safe.In addition, this new structure is compact, reliable.
[accompanying drawing explanation]
Fig. 1 is amputated structure schematic diagram of the present invention.
[specific embodiment]
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment mono-:
As shown in Figure 1, the invention discloses a kind of submersible linear motor respirator, it comprises respiratory protection cylinder 1, capsule inner tube 2, capsule 3, protective sleeve, joint, centering ring, locking device, oil-feed ring 8, sealing device 9 and the device 10 of strike-ofing, wherein:
Respiratory protection cylinder 1 is arranged with on capsule 3, which is provided with constant voltage hole 11, when it can make capsule 3 expansion and breather outside constant voltage.
Capsule inner tube 2 is provided with spiracle 21, by this spiracle 21, when motor power is moved back and forth in capsule inner tube the inside, can drive capsule 3 inflate compression by spiracle 21, plays respiration.
Spreading in the middle of capsule 3 is configured as, two ends tighten in capsule inner tube 2.It can eupnea in the middle of can guaranteeing capsule 3.
Protective sleeve comprises protective sleeve 41 and lower protective sleeve 42, and upper and lower protective sleeve 41,42 is installed with respectively in the two ends of capsule 3.
Joint comprises top connection 51 and lower contact 52, and the two ends up and down of respiratory protection cylinder 1 are located at respectively in top connection 51 and lower contact 52; Top connection 51 is set in respectively in capsule inner tube 2 with lower contact 52.Between the inside, lower end of top connection 51 and capsule inner tube 2, be circumferentially with seal groove 511, between the inside, upper end of lower contact 52 and capsule inner tube 2, be circumferentially also provided with seal groove 521, sealed at both ends by capsule inner tube 2, guarantee that the seal oil of injection is in the inside of capsule 3 and capsule inner tube 2.In addition, lower contact 52 position corresponding with oil-feed ring 8 is provided with oil filler point 522, during use, from oil filler point 522, by oil-feed ring 8, to capsule 3, injects lubrication oil.
Centering ring comprises centering ring 61 and lower centering ring 62;
Locking device comprises locking member 71 and lower locking member 72, and in the present embodiment, on this, locking member 71 is preferably upper locking nut, and lower locking member 72 is preferably lower locking nut.By upper locking member 71 and lower locking member 72, respirator interior part is installed compact firm.
Sealing device 9, in the present embodiment, it is a potted component, be located between oil-feed ring 8 and lower centering ring 62,
During installation, upper centering ring 61 and upper locking member 71 are located at the inside of top connection 51, and upper centering ring 61 is located at capsule inner tube 2 tops, and upper locking member 71 withstands centering ring 61; The inside of lower contact 52 is equiped with successively from the top down oil-feed ring 8, sealing device 9, lower centering ring 62, withstands the lower locking member 72 of lower centering ring 62 and the device 10 of strike-ofing.
In addition, the internal diameter of above-mentioned capsule inner tube 2, locking device, centering ring, oil-feed ring 8 and the device 10 of strike-ofing is in the same size, forms axial passage, and motor power is operated steadily reliably in passage.
This is novel, by the device etc. of strike-ofing, has solved containing sand and easily from bottom, has entered the problem that causes sand card, can guarantee that oil immersion line motor moves in well safe.In addition, this new structure is compact, reliable.
Embodiment bis-:
Compare with embodiment mono-; its difference is; it also includes lower protection cylinder 12 and protective cap 13; upper end and lower contact 52 thread connection of lower protection cylinder 12; lower end and protective cap 13 thread connection of lower protection cylinder 12, this protective cap 13 has played the effect of guide shoe in breather is gone into the well process; and in breather running, can relatively isolate downhole environment.The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a submersible linear motor respirator, is characterized in that: it comprises respiratory protection cylinder, capsule inner tube, capsule, joint, oil-feed ring, the device of strike-ofing, centering ring and locking device, and described capsule is installed in described capsule inner tube admittedly; Described joint comprises top connection and lower contact, and the two ends up and down of described respiratory protection cylinder are located at respectively in described top connection and lower contact; Described top connection and described lower contact are set in respectively in described capsule inner tube, and described capsule inner tube is provided with spiracle, and described respiratory protection cylinder is provided with constant voltage hole; Described oil-feed ring, the device of strike-ofing are installed in the inside of described lower contact from the top down successively; Described centering ring comprises centering ring and lower centering ring, described locking device comprises locking member and lower locking member, described upper centering ring and upper locking member are located at the inside of described top connection, described upper centering ring is located at described capsule inner tube top, and described upper locking member withstands described upper centering ring; Described lower centering ring and lower locking member are located at the inside of described lower contact, and described lower centering ring is located at described oil-feed ring below, and described lower locking member withstands described lower centering ring, and the described device of strike-ofing is located at described lower locking member below.
2. a kind of submersible linear motor respirator as claimed in claim 1, is characterized in that: spreading in the middle of described capsule is configured as, two ends tighten in described capsule inner tube.
3. a kind of submersible linear motor respirator as claimed in claim 1, is characterized in that: between described inside, top connection lower end and described capsule inner tube, be circumferentially with seal groove; Between the inside, upper end of described lower contact and described capsule inner tube, be circumferentially also provided with seal groove.
4. a kind of submersible linear motor respirator as described in claim 1,2 or 3; it is characterized in that: it also further includes protective sleeve; described protective sleeve comprises protective sleeve and lower protective sleeve, and described protective sleeve is up and down installed with respectively in described capsule two ends.
5. a kind of submersible linear motor respirator as claimed in claim 4, is characterized in that: the internal diameter of described capsule inner tube, locking device, centering ring, oil-feed ring and the device of strike-ofing is in the same size, forms axial passage.
6. a kind of submersible linear motor respirator as claimed in claim 4, is characterized in that: it also further includes seal, and described seal is located between described oil-feed ring and lower centering ring.
7. a kind of submersible linear motor respirator as described in claim 1,2 or 3, is characterized in that: the described lower contact position corresponding with described oil-feed ring is provided with oil filler point.
8. a kind of submersible linear motor respirator as described in claim 1,2 or 3; it is characterized in that: it also includes lower protection cylinder and protective cap; the upper end of described lower protection cylinder and described lower contact thread connection, the lower end of described lower protection cylinder and described protective cap thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063161.1A CN102146780B (en) | 2011-03-16 | 2011-03-16 | Submersible linear motor respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063161.1A CN102146780B (en) | 2011-03-16 | 2011-03-16 | Submersible linear motor respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102146780A CN102146780A (en) | 2011-08-10 |
| CN102146780B true CN102146780B (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110063161.1A Expired - Fee Related CN102146780B (en) | 2011-03-16 | 2011-03-16 | Submersible linear motor respirator |
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| CN (1) | CN102146780B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1429228A1 (en) * | 1987-02-25 | 1988-10-07 | Особое Конструкторское Бюро По Конструированию,Исследованию И Внедрению Глубинных Бесштанговых Насосов | Arrangement for hydraulic protection of submersible oil-filled electric motor |
| CN2148840Y (en) * | 1993-03-15 | 1993-12-08 | 辽河石油勘控局沈阳采油厂 | Protector for electric pump under oil |
| CN2268132Y (en) * | 1995-12-07 | 1997-11-19 | 淄博潜水电泵厂 | Tubular bag type oil-transporting electric pump |
| CN2917072Y (en) * | 2006-06-16 | 2007-06-27 | 大庆油田有限责任公司 | Cup type silt-proof submerged linear motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2526546Y (en) * | 2001-11-30 | 2002-12-18 | 石家庄市减速机厂 | Speed reducer for electric submersible screw pump |
| US7665975B2 (en) * | 2005-12-20 | 2010-02-23 | Baker Hughes Incorporated | Seal section oil seal for submersible pump assembly |
-
2011
- 2011-03-16 CN CN201110063161.1A patent/CN102146780B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1429228A1 (en) * | 1987-02-25 | 1988-10-07 | Особое Конструкторское Бюро По Конструированию,Исследованию И Внедрению Глубинных Бесштанговых Насосов | Arrangement for hydraulic protection of submersible oil-filled electric motor |
| CN2148840Y (en) * | 1993-03-15 | 1993-12-08 | 辽河石油勘控局沈阳采油厂 | Protector for electric pump under oil |
| CN2268132Y (en) * | 1995-12-07 | 1997-11-19 | 淄博潜水电泵厂 | Tubular bag type oil-transporting electric pump |
| CN2917072Y (en) * | 2006-06-16 | 2007-06-27 | 大庆油田有限责任公司 | Cup type silt-proof submerged linear motor |
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| Publication number | Publication date |
|---|---|
| CN102146780A (en) | 2011-08-10 |
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