CN2917072Y - Cup type silt-proof submerged linear motor - Google Patents
Cup type silt-proof submerged linear motor Download PDFInfo
- Publication number
- CN2917072Y CN2917072Y CN 200620021036 CN200620021036U CN2917072Y CN 2917072 Y CN2917072 Y CN 2917072Y CN 200620021036 CN200620021036 CN 200620021036 CN 200620021036 U CN200620021036 U CN 200620021036U CN 2917072 Y CN2917072 Y CN 2917072Y
- Authority
- CN
- China
- Prior art keywords
- scraping sleeve
- stator
- last
- sand
- sand scraping
- 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.)
- Expired - Lifetime
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A cup-type submersible sand-control linear motor belongs to a submersible linear motor, which solves the problems of current technology that sundries in oil enter into the clearance between the motor stator and rotor to disable the rotor and stator. Wherein, the internal chamber of a motor stator (1) is provided with a motor rotor (2). An upper tube (4) and a lower tube (5) are respectively connected with the upper and lower end of the motor stator (1). In addition, an upper connecting shaft (6) and a lower connecting shaft (7) are respectively connected with the upper and lower end of the motor rotor (2). Upper end of a sand sweeping sleeve (8) is provided with a popularity of hair crack (9) around the upper end. Moreover, the sleeve (8) is arranged on the upper connecting shaft (6) of the motor stator (1). Lower edge (8-1) of the sleeve (8) is connected with the internal wall of the upper tube (4). The utility model can not only free operation of the motor rotor in the stator but also prevent entry of sand to the motor chamber through the clearance between the sleeve and motor rotor, thus effectively avoiding entry of sand, oil stain and dirty into the clearance and preventing motor jamming.
Description
Technical field
The utility model relates to a kind of oil immersion line motor.
Background technology
A kind of small displacement high lift reciprocating submersible electric pump (application number: 200510009876.3) utilize oil immersion line motor in the down-hole reciprocating motion of direct actuation plunger formula oil well pump finish pumping, it has cancelled oil pumper, sucker rod and deceleration, changement, reduce the one-time investment and the energy consumption of oil production equipment, reduced the cost of oilfield exploitation effectively.The mover of its power-equipment oil immersion line motor moves reciprocatingly in stator, between mover and stator certain clearance arranged radially, and directly contact with fluid, add the effect of electromagnetic force, impurity such as sand in the fluid, greasy dirt, dirty sheet are entered in the gap of mover and stator, be easy to take place the stuck and problem that can not move of mover and stator.
The utility model content
For solving the sand in the existing existing fluid of oil immersion line motor, greasy dirt, impurity such as dirt sheet enter in the gap of mover and stator, be easy to take place the stuck and problem that can not move of mover and stator, the utility model provides a kind of cup type sand control oil immersion line motor, it comprises motor stator, electric mover, upper connecting tube, lower linking tube, last connecting axle and following connecting axle, the inner chamber of motor stator is provided with electric mover, upper connecting tube and lower linking tube respectively with motor stator on, the lower end is fixedly connected, last connecting axle and following connecting axle respectively with electric mover on, the lower end is fixedly connected, it also comprises sand scraping sleeve, the upper end edge circumferencial direction of last sand scraping sleeve has slit on several, describedly goes up on the last connecting axle that is connected with electric mover that sand scraping sleeve is sleeved on the motor stator top and fixedly connected with the inwall of upper connecting tube in the following convex edge of last sand scraping sleeve.Have several slits on the last sand scraping sleeve in the technical solutions of the utility model, can make it have certain elasticity, tightly stick on the external diameter of connecting axle; Both guaranteed the motion of electric mover in motor stator freely, sand can not be entered from the gap that last sand scraping sleeve cooperates with upper joint-shaft in the motor cavity; By adopting said apparatus, impurity such as the sand in the well liquid, greasy dirt, dirty sheet can be scraped away from upper joint-shaft by last sand scraping sleeve, thereby avoid impurity such as sand, greasy dirt, dirty sheet to enter in the gap of mover and stator, reach the purpose of motor anti-sticking.
Description of drawings
Fig. 1 is the structural representation of embodiment one, go up the vertical view of sand scraping sleeve 8 in Fig. 2 foot embodiment one, Fig. 3 is the upward view of following sand scraping sleeve 10 in the embodiment two, Fig. 4 is the structural representation of last sand scraping sleeve 8 in the embodiment four, and Fig. 5 is the structural representation of following sand scraping sleeve 10 in the embodiment four.
Embodiment
Embodiment one: (referring to Fig. 1, Fig. 2) present embodiment is by motor stator 1, electric mover 2, upper connecting tube 4, lower linking tube 5, last connecting axle 6, following connecting axle 7 and last sand scraping sleeve 8 are formed, the inner chamber of motor stator 1 is provided with electric mover 2, upper connecting tube 4 and lower linking tube 5 respectively with motor stator 1 on, the lower end is fixedly connected, last connecting axle 6 and following connecting axle 7 respectively with electric mover 2 on, the lower end is fixedly connected, the upper end edge circumferencial direction of last sand scraping sleeve 8 has slit 9 on several, described go up that sand scraping sleeve 8 is sleeved on motor stator 1 top and the last connecting axle 6 that electric mover 2 is connected and on the following convex edge 8-1 of sand scraping sleeve 8 fixedly connected with the inwall of upper connecting tube 4.
Embodiment two: (difference referring to present embodiment of Fig. 1-Fig. 3) and embodiment one is that it also comprises sand scraping sleeve 10 down, the lower end edge circumferencial direction of following sand scraping sleeve 10 has several down slits 11, and described sand scraping sleeve 10 down is sleeved on motor stator 1 below and the following connecting axle 7 that electric mover 2 is connected and the last convex edge 10-1 of time sand scraping sleeve 10 is fixedlyed connected with the inwall of lower linking tube 5.Other composition is identical with embodiment one with annexation.Present embodiment can further guarantee the motor operate as normal.
Embodiment three: (be to have chip-removal hole 4-1 No. one with the described top of 8-1 junction, convex edge down on the described upper connecting tube 4 referring to the present embodiment of Fig. 1-Fig. 3) and embodiment one or twos' difference; The below with described last 10-1 junction, convex edge on the described lower linking tube 5 has chip-removal hole 5-1 No. two.Other composition is identical with embodiment one or two with annexation.In the course of the work, the impurity that is scraped away from electric mover 2 by upper and lower sand scraping sleeve, can be discharged to the motor outside by the chip-removal hole of offering in the upper and lower adapter of present embodiment, thereby avoid because gathering of impurity effectively guarantees the useful life of oil immersion line motor.
Embodiment four: (referring to Fig. 4, Fig. 5) present embodiment and embodiment one, two or three difference are that described going up between the last slit 9 offered on the sand scraping sleeve 8 and last sand scraping sleeve 8 axial becomes angle α, and described angle α is 2 °～10 °; Become angle β between the following slit of offering on the described down sand scraping sleeve 10 11 and following sand scraping sleeve 10 axial, described angle β is 2 °～10 °.Other composition is identical with embodiment one, two or three with annexation.
Embodiment five: (referring to Fig. 1) present embodiment is that with embodiment one, two, three or four difference the described upward following convex edge 8-1 of sand scraping sleeve 8 is connected with the inner thread of upper connecting tube 4 or welds; The described last convex edge 8-1 of sand scraping sleeve 8 down is connected with the inner thread of lower linking tube 5 or welds.Other composition is identical with embodiment one, two, three or four with annexation.Because the particularity of applying working condition of the present utility model, present embodiment is described to be gone up sand scraping sleeve 8 and following sand scraping sleeve 10 and adopts and be threaded respectively with between the inwall of upper connecting tube 4 and lower linking tube 5, is convenient to keep in repair, and can effectively guarantee the useful life of oil immersion line motor.
Embodiment six: (referring to Fig. 1) present embodiment and embodiment one, two, three, four or fives' difference is that the middle part of described electric mover 2 is provided with mandrel 2-1, is set with the ring-like mover iron core 2-2 and the permanent magnet 2-3 that are provided with at interval successively on the mandrel 2-1; In the stator casing 1-1 of described stator 1 ring structure iron core 1-2 is housed, stator winding coil 1-3 is housed in the ring-shaped stator iron core 1-2, several ring-shaped stator iron core 1-2 that stator winding coil 1-3 is housed laminate setting vertically and its upper and lower end is fixed by the upper end 1-4 and the lower end 1-5 that are fixedly arranged in the stator casing 1-1 respectively, and described ring-shaped stator iron core 1-2 is fixed with one by interior pipe 1-6; The upper and lower end of interior pipe 1-6 is installed with upper support sliding sleeve 1-7 and lower support sliding sleeve 1-8 respectively.Other composition is identical with embodiment one, two, three, four or five with annexation.The upper and lower end of the interior pipe 1-6 of present embodiment is installed with upper support sliding sleeve 1-7 and lower support sliding sleeve 1-8 respectively, can guarantee that electric mover 2 carries out concentric motion in motor stator 1, and then play the effect of abrasionproof.
Claims (8)
1, cup type sand control oil immersion line motor, it comprises motor stator (1), electric mover (2), upper connecting tube (4), lower linking tube (5), last connecting axle (6) and following connecting axle (7), the inner chamber of motor stator (1) is provided with electric mover (2), upper connecting tube (4) and lower linking tube (5) respectively with motor stator (1) on, the lower end is fixedly connected, last connecting axle (6) and following connecting axle (7) respectively with electric mover (2) on, the lower end is fixedly connected, it is characterized in that it also comprises sand scraping sleeve (8), the upper end edge circumferencial direction of last sand scraping sleeve (8) has slit on several (9), and the last connecting axle (6) that is connected with electric mover (2) that described last sand scraping sleeve (8) is sleeved on motor stator (1) top goes up and fixedly connected with the inwall of upper connecting tube (4) in the following convex edge (8-1) of last sand scraping sleeve (8).
2, cup type sand control oil immersion line motor according to claim 1, it is characterized in that it also comprises sand scraping sleeve (10) down, the lower end edge circumferencial direction of following sand scraping sleeve (10) has several slits (11) down, and the following connecting axle (7) that is connected with electric mover (2) that described sand scraping sleeve (10) down is sleeved on motor stator (1) below goes up and fixedly connected with the inwall of lower linking tube (5) in the last convex edge (10-1) of following sand scraping sleeve (10).
3, cup type sand control oil immersion line motor according to claim 1 and 2 is characterized in that the top with described following junction, convex edge (8-1) on the described upper connecting tube (4) has a chip-removal hole (4-1); The below with described last junction, convex edge (10-1) on the described lower linking tube (5) has No. two chip-removal holes (5-1).
4, cup type sand control oil immersion line motor according to claim 2 is characterized in that described going up between the last slit (9) offered on the sand scraping sleeve (8) and last sand scraping sleeve (8) axial becomes angle α; Become angle β between the following slit of offering on the described down sand scraping sleeve (10) (11) and following sand scraping sleeve (10) axial.
5, cup type sand control oil immersion line motor according to claim 4 is characterized in that described to go up the angle α that is become between the last slit (9) offered on the sand scraping sleeve (8) and last sand scraping sleeve (8) axial be 2 °～10 °; The angle β that is become between the following slit of offering on the described down sand scraping sleeve (10) (11) and following sand scraping sleeve (10) axial is 2 °～10 °.
6, cup type sand control oil immersion line motor according to claim 1 and 2 is characterized in that described following convex edge (8-1) of going up sand scraping sleeve (8) is connected with the inner thread of upper connecting tube (4).
7, cup type sand control oil immersion line motor according to claim 2 is characterized in that the described last convex edge (9-1) of sand scraping sleeve (10) down is connected with the inner thread of lower linking tube (5).
8, cup type sand control oil immersion line motor according to claim 1, the middle part that it is characterized in that described electric mover (2) is provided with mandrel (2-1), is set with the ring-like mover iron core (2-2) and the permanent magnet (2-3) that are provided with at interval successively on the mandrel (2-1); In the stator casing (1-1) of described stator (1) ring structure iron core (1-2) is housed, stator winding coil (1-3) is housed in the ring-shaped stator iron core (1-2), several ring-shaped stator iron cores (1-2) that stator winding coil (1-3) is housed laminate setting vertically and its upper and lower end is fixing by the upper end (1-4) and the lower end (1-5) that are fixedly arranged in the stator casing (1-1) respectively, and described ring-shaped stator iron core (1-2) is fixed with one by interior pipe (1-6); The upper and lower end of interior pipe (1-6) is installed with upper support sliding sleeve (1-7) and lower support sliding sleeve (1-8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021036 CN2917072Y (en) | 2006-06-16 | 2006-06-16 | Cup type silt-proof submerged linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021036 CN2917072Y (en) | 2006-06-16 | 2006-06-16 | Cup type silt-proof submerged linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2917072Y true CN2917072Y (en) | 2007-06-27 |
Family
ID=38187987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620021036 Expired - Lifetime CN2917072Y (en) | 2006-06-16 | 2006-06-16 | Cup type silt-proof submerged linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2917072Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949278A (en) * | 2010-09-21 | 2011-01-19 | 佛山市顺德区精艺动力科技有限公司 | Protector of underground oil extraction machine |
| CN101967960A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Dirt removal protection device for underground pumping unit |
| CN101967959A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Sealing protecting device for underground oil mining machine |
| CN102146780A (en) * | 2011-03-16 | 2011-08-10 | 深圳市大族激光科技股份有限公司 | Submersible linear motor respirator |
-
2006
- 2006-06-16 CN CN 200620021036 patent/CN2917072Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949278A (en) * | 2010-09-21 | 2011-01-19 | 佛山市顺德区精艺动力科技有限公司 | Protector of underground oil extraction machine |
| CN101967960A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Dirt removal protection device for underground pumping unit |
| CN101967959A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Sealing protecting device for underground oil mining machine |
| CN102146780A (en) * | 2011-03-16 | 2011-08-10 | 深圳市大族激光科技股份有限公司 | Submersible linear motor respirator |
| CN102146780B (en) * | 2011-03-16 | 2014-04-02 | 深圳市大族激光科技股份有限公司 | Submersible linear motor respirator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100353062C (en) | Digital control reciprocating oil submersible electric pump | |
| CN2917072Y (en) | Cup type silt-proof submerged linear motor | |
| CN201250771Y (en) | Oil extraction device of split-typed double-acting submersible oil pump driven by linear motor | |
| CN100567700C (en) | A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive | |
| CN207145198U (en) | Oil immersion line motor oil well pump | |
| CN103557145B (en) | Electric submersible oil reciprocation pump | |
| CN203640969U (en) | Electric submersible reciprocating pump | |
| CN201818294U (en) | Gas-liquid separator with internal anti-wax, anti-scaling and anti-corrosion device | |
| CN201236832Y (en) | Household miniature flexible shaft pump | |
| CN100373054C (en) | Guilding and conducting system of hung electric submersible screw pump | |
| CN201065842Y (en) | Electric submersible pump set for extremely small displacement well | |
| CN203702582U (en) | Small-sized submersible electric pump | |
| CN203933226U (en) | A kind of submersible motor that can fast dismantle angular contact ball bearing | |
| CN205331009U (en) | High -lift submerged motor pump suitable for deep well | |
| CN201232622Y (en) | Electromagnetical oil immersed pump | |
| CN205533198U (en) | Oil of diving directly drives screw pump flexible shaft transmission structure | |
| CN213808718U (en) | Motor-driven lifting device | |
| CN204205795U (en) | Anti-eccentric wear submersible motor | |
| CN202612127U (en) | Well bore movable type submerged pump for quick water draining | |
| CN103526808B (en) | Portable spring water body, portable spring lid and overboard cylinder | |
| CN204200191U (en) | Helicoidal pump sand screen | |
| CN200999573Y (en) | Window curtain rolling from lower level upward | |
| CN211059057U (en) | Bearing box of centrifugal pump | |
| CN207049024U (en) | A kind of novel well immersible pump fluidic structures | |
| CN202280611U (en) | Balanced shock-absorbing device of numerical control reciprocating electrical submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070627 |
|
| EXPY | Termination of patent right or utility model |