CN101409495A - Oil-submersible linear motor - Google Patents
Oil-submersible linear motor Download PDFInfo
- Publication number
- CN101409495A CN101409495A CNA2008102171803A CN200810217180A CN101409495A CN 101409495 A CN101409495 A CN 101409495A CN A2008102171803 A CNA2008102171803 A CN A2008102171803A CN 200810217180 A CN200810217180 A CN 200810217180A CN 101409495 A CN101409495 A CN 101409495A
- Authority
- CN
- China
- Prior art keywords
- stator
- pipe
- joint
- outer tube
- oil immersion
- 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.)
- Granted
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a submersible linear motor, comprising a stator and a rotor which carries out linear motion in the stator; the stator comprises a stator internal pipe, a stator external pipe which is sheathed outside the stator internal pipe and a plurality of silicon steel rings and coils which are arranged between the stator external pipe and the stator internal pipe in axial array; the submersible linear motor also comprises at least a joint which is arranged at the ends of the stator external pipe and the stator internal pipe; the connection between the joint and the stator external pipe and connection between the joint and the stator internal pipe are respectively provided with a sealing ring; the joint is closely matched with the stator external pipe and the stator internal pipe so as to form a sealing chamber; the submersible linear motor works under oil wells and is connected with an oil pump. In the submersible linear motor, the joint is closely matched with the stator internal pipe and the stator external pipe by the sealing ring and forms a sealed chamber together with the stator internal pipe and the stator external pipe, thus ensuring the sealing performance of elements which are arranged between the stator internal pipe and the stator external pipe and blocking the entrance of the external oil, water and the like.
Description
Technical field
The present invention relates to a kind of oil immersion line motor, be specifically related to a kind of oil immersion line motor that is used for work under the oil well.
Background technology
Known pumping unit mainly is girder-like oil pump-oil-well pump device, and complete equipment is divided into the mid portion of ground, down-hole and contact ground and down-hole, but it all is a mechanical oil recovery.Because the oil mining complicated condition is changeable, the shortcoming that along with the continuous increase of well depth and output, this oil pumper weight is big, accident is many becomes very obvious, and its shortcoming is specific as follows:
1, highly energy-consuming: traditional mechanical is recovered the oil because mechanical structure is very complicated, and the system power factor is very low, generally wants between the 20%-50%; Again because long sucker rod will be arranged, the per 1000 meters elastic deformations that 0.6-1.2 rice is arranged when twitching up and down approximately of sucker rod badly influence system effectiveness.
2, be easy to generate eccentric wear: because mostly the well depth in oil field is all more than km, the generation when sucker rod is rubbed has had a strong impact on the reliability of system.
3, not environmental protection, noise is big; Because crude oil leak, can cause crude oil pollution to ocean when recovering the oil at sea.
4, system complex: system's main modular is separated separately, and system coordination is very poor, and inconvenience is controlled together.
, oil immersion line motor do not need middle drive mechanism because can being converted into straight reciprocating motion with electric energy, no matter be oil pumper to be transformed in aboveground or down-hole, all help reducing transmission mechanism bulk, the raising machine is adopted efficient, and its advantage is specific as follows:
1, the few energy of joint: oil immersion line motor mainly is mover moving linearly in stator, and its structure is very simple, and the relative legacy system height of system effectiveness is therefore energy-conservation; Because do not have long sucker rod, gear reduction and walking beam etc., system effectiveness strengthens greatly; Average energy-conservationly reach 50%, saved a large amount of energy.
2, eccentric wear free: owing to there is not long sucker rod, also just do not had the eccentric wear problem, the reliability of system strengthens greatly.
3, since motor underground, so noise is little; Owing to do not leak outside, can not cause crude oil pollution to ocean when recovering the oil at sea.
4, system is simple, and latent oily oil immersion line motor of system's main modular and oil-immersed pump are dressed up one, and system coordination is fine, is convenient to realize Based Intelligent Control.
But utilize oil immersion line motor to come recover petroleum, there are many requirements in stator to oil immersion line motor: at first be to take seal approach, the latent oily oil immersion line motor of under oil well, working for example, its stator interior can not water leaking-in, the wet goods foreign material, otherwise the coil component of energising can't operate as normal and even motor is damaged in the stator.Therefore for oil immersion line motor, the sealing property of optimizing its stator is even more important.
Summary of the invention
Main purpose of the present invention just provides a kind of good seal performance, has the possibility that leaks outside, the latent oily oil immersion line motor of increasing work efficiency when avoiding recovering the oil.
For achieving the above object, the present invention is by the following technical solutions:
A kind of oil immersion line motor, comprise stator and in this stator the mover of moving linearly, it is characterized in that: described stator comprises pipe in the stator, be set in the outer stator outer tube of pipe in the described stator and be arranged at described stator outer tube and stator between the pipe and along the plural number joint silicon steel ring and the coil of its axial array arrangement; Described oil immersion line motor also comprises at least one joint that is arranged at described stator outer tube and stator inner tube portion, described joint respectively with stator outer tube and stator in the joint of pipe be equipped with sealing ring, the pipe tight fit is to form annular seal space in described joint and described stator outer tube and the stator between the three.
Preferably, the end face of described stator outer tube offers first screw, and the sidepiece of described joint offers deep gouge, offers corresponding with described first screw in the described deep gouge and is communicated with first through hole of described deep gouge.
Preferably, offer cannelure at least one of pipe and the side face that joins of stator outer tube respectively with in the described stator at described joint, described sealing ring is positioned at this cannelure.
Preferably, in the connecting part of the outer peripheral face of described joint and stator outer tube and described joint and the stator connecting part of the inner peripheral surface of pipe at least one be welded into seamless state.
Preferably, described joint has wire hole, is used for by motor spiral lead-out wire, and the link of described motor spiral lead-out wire and external electric cable is fixed and is sealed in the described wire hole.
Preferably, comprise also being arranged at first spacing ring between the pipe in described stator outer tube and the stator that described first spacing ring is fastening to be installed on the interior pipe of described stator, is used for carrying out spacing to described silicon steel ring and coil.
Preferably, described first spacing ring comprises that the radian sum is slightly less than the first hoop arc and the second hoop arc of full circle radian, described first and second hoop arc fixed engagement with lock ring in described stator on the pipe.
Preferably, the sidepiece of the described first hoop arc offers second through hole that is communicated with its end, the respective end of the described second hoop arc offers second screw, passes described second through hole and lock second screw of paying on described second screw described first hoop arc and the second hoop arc is affixed.
Preferably, described mover comprises axle, permanent-magnetic clamp, magnetic guiding loop and second spacing ring, and described permanent-magnetic clamp and magnetic guiding loop array arrangement are on axle, and described second spacing ring tightens up and is installed on the axle, is used for permanent-magnetic clamp on the axle and magnetic guiding loop are carried out axial limiting.
Beneficial technical effects of the present invention is:
Because oil immersion line motor of the present invention is worked under oil well, and is connected with oil well pump.Oil immersion line motor of the present invention is provided with joint by pipe, position outer tube end in the location of its stator, this joint merges and the common airtight chamber that forms of stator inner and outer pipe by pipe, stator outer tube close-fitting in sealing ring and the stator, has guaranteed being arranged at the sealing property of the element between pipe, the stator outer tube in the stator.Stator produces elementary travelling-magnetic-field by silicon steel ring and coil, produce electromagnetic push with the mover interaction, mover is made rectilinear motion up and down in stator, and then act on the oil well pump, underground crude oil can be extracted in the oil pick-up tube continually by oil well pump, and be transported in the ground installation from oil pick-up tube; The stator of this oil immersion line motor is under the situation of sealing fully, intercepted entering of oil outer, water etc., thereby guaranteed that the mover that is positioned at stator interior moves up and down under unobstructive condition,, improved system works efficient greatly owing to need not the sucker rod of traditional length.
Description of drawings
Fig. 1 is the structural representation of the oil immersion line motor of the specific embodiment of the invention;
Fig. 2 is the structural representation of stator of the oil immersion line motor of the specific embodiment of the invention;
Fig. 3 is the three-dimensional diagrammatic sketch of Fig. 2 center tap part;
Fig. 4 is that diagrammatic sketch is amplified in the part of Fig. 2 center tap and the assembling of stator inner and outer pipe;
Fig. 5 draws the part of an end of motor lines and amplifies diagrammatic sketch for stator among Fig. 2;
Fig. 6 is the three-dimensional diagrammatic sketch of first spacing ring among Fig. 2;
Fig. 7 is the three-dimensional diagrammatic sketch of the first hoop arc of first spacing ring;
Fig. 8 is the three-dimensional diagrammatic sketch of the second hoop arc of first spacing ring;
Fig. 9 is the structural representation of the mover of the specific embodiment of the invention;
Figure 10 is the structural representation of the bearing among Fig. 9.
Embodiment
Also in conjunction with the accompanying drawings the present invention is described in further details below by concrete execution mode.
As shown in Figure 1, 2, the present invention relates generally to a kind of oil immersion line motor that is used for work under the oil well, can will be positioned at underground crude oil pump to ground, these linear electric motors comprise stator 1 (being generally elementary) and make straight-line mover 2 (being generally secondary) up and down in this stators 1.
Described stator 1 comprises a plurality of silicon steel rings 15 and a plurality of coil 14 and two ring joints 10 of pipe 11, array arrangement in stator outer tube 9, the stator, and wherein, pipe 11 can adopt steel pipe in stator outer tube 9 and the stator, and described coil 14 is an annular.
The more piece silicon steel ring 15 of array arrangement and a plurality of coil 14 axially are set in stator outer tube 9 and the stator between pipe 11 bodys, and ring set manages on 11 in stator, and each silicon steel ring 15 and coil 14 are arranged with interlaced form vertically.The coil 14 of array arrangement is arranged in star or triangle connecting coil by three-phase.
Shown in Fig. 2-4, each joint 10 is arranged at an end of pipe 11 in stator outer tube 9, the stator, described joint 10 and stator outer tube 9, the interior pipe of stator 11 tight fits, all offer cannelure 103 on the outer peripheral face that pipe 11 inner peripheral surfaces that join and joint 10 and stator outer tube 9 join in joint 10 and stator, be equipped with sealing ring 12 in the groove 103, in the present embodiment, sealing circle 12 is an O type ring.Owing to be equipped with sealing ring 12 between the pipe 11 respectively and in stator outer tube 9 and the stator at joint 10, thereby pipe 11 tight fits are to form annular seal space in described joint 10 and described stator outer tube 9 and the stator between the three, to intercept entering of impurity such as oil outer, water, silicon steel ring 15 and loop coil 14 operational environments in the cavity have been guaranteed.
As shown in Figure 4, in further preferred embodiment, the for example annular gasket 17 of glue class also is housed between stator outer tube 9 and joint 10, this annular gasket 17 can pass and be clamped between stator outer tube 9 and the joint 10 by the 3rd screw (figure does not show), further guarantees the sealing effectiveness of annular seal space.
As shown in Figure 1, in the preferred embodiment, with the connecting part 22 of joint 10 with the outer peripheral face of stator outer tube 9, and joint 10 welds with the connecting part 23 of the outer peripheral face of the interior pipe 11 of stator, make it become seamless state, it can adopt splendid Laser Welding of weldability or argon arc welding, also can adopt other welding manner, has also guaranteed the environment of stator 1 in sealing.
Shown in Fig. 1-5, in the preferred embodiment, joint 10 comprises different two sections of external diameter, form step, the top 10a of this step, be that the little part of external diameter is inserted between the respective end of interior pipe 11 of stator and stator outer tube 9, the bottom 10b of this step is the respective end of the big part contact stator outer tube 9 of external diameter.Preferably be subjected to the end face of joint 10 contacts to offer first screw 91 at stator outer tube 9, the sidepiece of joint 10 offers deep gouge 101, the bottom 10b of the step of joint 10 is to offering first through hole 1 05 that is communicated with this deep gouge 101 by first screw 91, first screw (figure does not show) passes this first through hole 105 and locks on this first screw 91, makes stator outer tube 9 and 10 fluid-tight engagement of joint by the screw coupling mechanism force.
As shown in Figure 2, be reinforced insulation performance and intensity, high insulating cement class of coil 14 usefulness or plastics class are solidified, and form the shell of high strength and high insulating property.In stator outer tube 9 and stator, fill out between the pipe 11 and irritate as insulating material 29 such as high insulating cement or plastics, just simply illustrated the schematic diagram of insulating material 29 among Fig. 2, insulating material is to be filled in to manage between 11 in stator outer tube 9 and the stator in fact, not only be the part of Fig. 2 signal, it covers coil 14 and silicon steel ring 15 after being shaped.
Because oil immersion line motor of the present invention is filled with insulating material 29 manage 11 in stator outer tube 9 and stator between, thereby the high-insulativity and the sealing effectiveness of stator interior exciting part have been guaranteed, further intercepted entering of oil outer, water etc., the mover that has guaranteed to be positioned at stator interior is more made rectilinear motion up and down on unobstructive condition, guarantee the normal steady operation of oil immersion line motor.
As shown in Figure 2, can have wire hole 106 in a joint 10 by the outgoing cable line 20 control motor movements of this oil immersion line motor in order to make outside control system (figure does not show), motor spiral lead-out wire 18 is drawn from this wire hole 106.Described wire hole 106 can be offered vertically.Motor spiral lead-out wire 18 is arranged in the wire hole 106 with the link 21 of motor outgoing cable line 20, preferably in wire hole 106 with this link with screw or adhesive curing, thereby guarantee the sealing of wiring intensity and junction.As shown in Figure 2, connector portions 201 connection control system of motor outgoing cable line 20.Also can have out wire casing in a joint 10, motor spiral lead-out wire 18 goes out wire casing from this and draws.
As shown in Figure 2, the internal thread 102 that in ring joint 10, is provided with, locked screw 13 on it, can strengthen motor body intensity like this.
As shown in Figure 1, in the preferred embodiment, in the aforesaid airtight chamber except having silicon steel ring 15 and coil 14, also comprise fastening a plurality of first spacing rings 16 on the pipe 11 in the stator that are installed in, 16 pairs of silicon steel rings 15 of first spacing ring and coil 14 are managed 11 and are lined up positioning action on axially in stator, guaranteeing the arrangement requirement of stator excitation element, can guarantee every section slot pitch simultaneously, also is the spacing of the silicon steel ring 15 of stator 1.First spacing ring 16 can adopt steel loop, and in such cases, first spacing ring 16 also participates in the magnetic circuit of stator.Preferably, every predetermined distance first spacing ring 16 is set all, and near the position of two joints 10 first spacing ring 16 is being set respectively also, each first spacing ring, 16 sidepiece is right after silicon steel ring 15 or coil 14 to limit its activity.
Shown in Fig. 6-8, further, first spacing ring 16 is the crimp of being made up of the first hoop arc 16a and the second hoop arc 16b, and the radian sum of the first hoop arc 16a and the second hoop arc 16b is slightly less than the radian of full circle.The preferred first hoop arc 16a and the second hoop arc 16b all are semi-annular shape substantially.Wherein, the described first hoop arc 16a is provided with second through hole 162 that is communicated with its outside portion and end, the respective end of the second hoop arc 16b offers second screw, 163, the second screws and passes second through hole 162 and be locked on second screw 163, with the fixedly connected first hoop arc 16a and the second hoop arc 16b.Like this, promptly the first hoop arc 16a, the second hoop arc 16b lock ring are managed on 11 in stator by the screw coupling mechanism force.
In a further embodiment, first spacing ring 16 also can be other structures, as being made of the round projection that is positioned on the stator pipe 11.
For guaranteeing mechanical strength, pipe 11 adopts the thin wall-type steel pipe in the stator.In addition, pipe 11 both can be incorporate long tube in the stator, also can be to be joined by many short tube segmentations to constituting.
As shown in Figure 9, described mover 2 comprises axle 25, permanent-magnetic clamp 4, magnetic guiding loop 5, second spacing ring 7.Described permanent-magnetic clamp 4 and magnetic guiding loop 5 arrayed are on axle 25.Described second spacing ring 7 is fixed on the axle 25, is used for permanent-magnetic clamp on the axle 25 4 and magnetic guiding loop 5 are carried out axial limiting.Described second spacing ring 7 can make permanent-magnetic clamp 4 and magnetic guiding loop 5 remain on the initial designs position, and the polar moment of avoiding permanent-magnetic clamp 4 and magnetic guiding loop 5 to move causing changes, thereby guarantees the operate as normal of mover.And then avoid maintenance, detection to mover, reduce expenses.Described axle 25 can be steel pipe, and described magnetic guiding loop 5 can be steel loop, and the material of described second spacing ring 7 also can be steel.The number of described permanent-magnetic clamp 4 and magnetic guiding loop 5 generally all has a plurality of according to the width decision of length, permanent-magnetic clamp 4 and the magnetic guiding loop 5 of axle 25.
Shown in Fig. 9,10, in one embodiment, described mover 2 also comprises bearing 6, and described bearing 6 is enclosed within on the axle 25.The external diameter of described bearing 6 is bigger than the external diameter of permanent-magnetic clamp 4, magnetic guiding loop 5, second spacing ring 7, plays the effect of protection permanent-magnetic clamp 4, magnetic guiding loop 5, second spacing ring 7.As shown in Figure 2, described bearing 6 comprises plastic bearing 61 and magnetic conduction bearing 62, and described plastic bearing 61 is enclosed within magnetic conduction bearing 62 outer rings.Described plastic bearing 61 is made by the high molecular abrasion-proof material, to reduce coefficient of friction.Described magnetic conduction bearing 62 can be the steel bearing.
(structure of second spacing ring 7 is identical with the structure of first spacing ring 16 for described second spacing ring 7, can be with reference to figure 6-8) comprise the crimp of forming by the 3rd hoop arc 71, the 4th hoop arc 72, the radian of described the 3rd hoop arc 71 and the 4th hoop arc 72 and be slightly less than the full circle radian, described the 3rd hoop arc 71 and the 4th hoop arc 72 fixed engagement with lock ring on described axle 25.In one embodiment, described the 3rd hoop arc 71, the 4th hoop arc 72 all are semi-annular shape substantially.Described the 3rd hoop arc 71 is provided with the fourth hole 73 that is communicated with outside portion and end, the respective end of described the 4th hoop arc 72 is provided with the 4th screw 74, the four screws (figure do not show) and passes described fourth hole 73 and be locked on described the 4th screw 73 so that described the 3rd hoop arc 71 and the 4th is bound round arc 72 fixed engagement.
Certainly, as required, the user can design three or more hoop arcs and form a complete spacing ring.As long as these bind round the radian of arcs and are slightly less than the full circle radian.
In a further embodiment, described second spacing ring 7 also can be other structure, as being made of the round projection that is positioned on the moving axis.
As shown in Figure 9, in one embodiment, at least one external diameter is more bigger than the external diameter of permanent-magnetic clamp 4 in described magnetic guiding loop 5, second spacing ring 7.Like this, after bearing 6 wearing and tearing, at least one just can be permanent-magnetic clamp 4 in the magnetic guiding loop 5 and second spacing ring 7 provides protection
As shown in Figure 9, in certain embodiments, described mover 2 also comprises clamp nut 8, and described moving axis end is provided with screw thread 3, and described clamp nut is locked on the described screw thread 3.Clamp nut can guarantee the coupling mechanism force of permanent-magnetic clamp 4, magnetic guiding loop 5, second spacing ring 7 and bearing 6 on the axle 25.
As shown in Figure 9, if the number of permanent-magnetic clamp 4 and magnetic guiding loop 5 is a lot, so described second spacing ring 7 can be provided with a plurality of, and each second spacing ring 7 evenly is fixed on the axle 25 discretely.Promptly on described axle 25, one second spacing ring 7 just is set, and first spacing ring, the 16 further axial limitings that strengthen permanent-magnetic clamp 4 and magnetic guiding loop 5 also are being set near clamp nut 8 places every predetermined distance.
As shown in Figure 9, described moving axis is a hollow type, thereby plays an effect or a direct part as oil circuit that strengthens intensity, dives oily breathing.
Described screw thread 3 also can be used for linking the assembly for plunger of oil well pump.Internal thread 102 on the described joint 10 also can be used for linking the pump barrel assembly of oil well pump.
As shown in Figure 1, the operation principle of above-mentioned oil immersion line motor is as follows:
Because oil immersion line motor of the present invention is worked under oil well, and is connected with oil well pump.The present invention is provided with joint by pipe, position outer tube end in the location of its stator, this joint all merges and the common airtight chamber that forms of stator inner and outer pipe by pipe, stator outer tube close-fitting in sealing ring and the stator, has guaranteed being arranged at the silicon steel ring between pipe, the stator outer tube and the sealing property of coil in the stator.After the logical three-phase electricity of coil 14 coils 14 of stator 1, coil 14, the silicon steel annulus 15 that is mated layout will produce the stator travelling-magnetic-field, and interacting with mover 2 converts electromagnetic energy to mechanical energy, and generation thrust moves up and down mover 2 in stator 1.Move up and down thereby drive oil well pump, underground crude oil can be extracted in the oil pick-up tube continually by oil well pump, and be transported in the ground installation from oil pick-up tube.Oil immersion line motor of the present invention can make stator keep sealing fully, intercepted entering of oil outer, water etc., thereby guaranteed that the mover that is positioned at stator interior moves up and down under unobstructive condition,, improved system works efficient greatly owing to need not the sucker rod of traditional length.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. oil immersion line motor, comprise stator (1) and this stator (1) in the mover (2) of moving linearly, it is characterized in that: described stator comprises pipe (11) in the stator, be set in the outer stator outer tube (9) of pipe (11) in the described stator and be arranged at described stator outer tube (9) and stator in manage between (11) and save silicon steel ring (15) and coil (14) along the plural number of its axial array arrangement; Described oil immersion line motor also comprises at least one joint (10) that is arranged at pipe (11) end in described stator outer tube (9) and the stator, described joint (10) respectively with stator outer tube (9) and stator in the joint of pipe (11) be equipped with sealing ring (12), interior (11) tight fit of managing of described joint (10) and described stator outer tube (9) and stator is to form annular seal space between the three.
2. oil immersion line motor according to claim 1, it is characterized in that: the end face of described stator outer tube offers first screw (91), the sidepiece of described joint (10) offers deep gouge (101), offers corresponding with described first screw (91) in the described deep gouge and is communicated with first through hole (105) of described deep gouge (101).
3. oil immersion line motor according to claim 1 is characterized in that: the pad (17) that is provided with the glue class between described stator outer tube (9) and joint.
4. oil immersion line motor according to claim 1, it is characterized in that: offer cannelure (103) at least one of the side face that joins of pipe (11) and stator outer tube (9) respectively with in the described stator at described joint (10), described sealing ring (12) is positioned at this cannelure (103).
5. oil immersion line motor according to claim 1 is characterized in that: at least one is welded into seamless state the connecting part (23) of the inner peripheral surface of the interior pipe of the connecting part (22) of the outer peripheral face of described joint (10) and stator outer tube (9) and described joint (10) and stator (11).
6. oil immersion line motor according to claim 1, it is characterized in that: described joint (10) has wire hole (106), be used for by motor spiral lead-out wire (18), described motor spiral lead-out wire (18) is fixed and is sealed in the described wire hole (106) with the link of external electric cable (20).
7. oil immersion line motor according to claim 1, it is characterized in that: also comprise being arranged at first spacing ring (16) between the pipe (11) in described stator outer tube (9) and the stator, fastening being installed in the described stator of described first spacing ring (16) managed on (11), is used for carrying out spacing to described silicon steel ring (15) and coil (14).
8. oil immersion line motor according to claim 7, it is characterized in that: described first spacing ring (16) comprises that the radian sum is slightly less than the first hoop arc (16a) and the second hoop arc (16b) of full circle radian, described first and second hoop arc (16a, 16b) manage on (11) in described stator with lock ring by fixed engagement.
9. oil immersion line motor according to claim 8, it is characterized in that: the sidepiece of the described first hoop arc (16a) offers second through hole (162) that is communicated with its end, the respective end of the described second hoop arc (16b) offers second screw (163), passes described second through hole (162) and lock second screw of paying on described second screw (163) the described first hoop arc (16a) and the second hoop arc (16b) is affixed.
10. according to the arbitrary described oil immersion line motor of claim 1-9, described mover (2) comprises axle (25), permanent-magnetic clamp (4), magnetic guiding loop (5) and second spacing ring (7), described permanent-magnetic clamp (4) and magnetic guiding loop (5) array arrangement are on axle (25), described second spacing ring (7) tightens up and is installed on the axle (25), is used for permanent-magnetic clamp (4) on the axle (25) and magnetic guiding loop (5) are carried out axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102171803A CN101409495B (en) | 2008-10-30 | 2008-10-30 | Oil-submersible linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102171803A CN101409495B (en) | 2008-10-30 | 2008-10-30 | Oil-submersible linear motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101409495A true CN101409495A (en) | 2009-04-15 |
| CN101409495B CN101409495B (en) | 2010-12-08 |
Family
ID=40572340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102171803A Active CN101409495B (en) | 2008-10-30 | 2008-10-30 | Oil-submersible linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101409495B (en) |
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 |
| CN106451920A (en) * | 2016-12-21 | 2017-02-22 | 湘潭电机股份有限公司 | Motor connecting cable structure and motor |
| CN108258829A (en) * | 2016-12-29 | 2018-07-06 | 中国石油天然气股份有限公司 | A kind of sand control piston for oil immersion line motor |
-
2008
- 2008-10-30 CN CN2008102171803A patent/CN101409495B/en active Active
Cited By (6)
| 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 |
| CN106451920A (en) * | 2016-12-21 | 2017-02-22 | 湘潭电机股份有限公司 | Motor connecting cable structure and motor |
| CN106451920B (en) * | 2016-12-21 | 2018-12-11 | 湘潭电机股份有限公司 | A kind of motor cable jumper structure and motor |
| CN108258829A (en) * | 2016-12-29 | 2018-07-06 | 中国石油天然气股份有限公司 | A kind of sand control piston for oil immersion line motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101409495B (en) | 2010-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201328033Y (en) | Submersible linear motor | |
| CN101601181B (en) | Oil-submersible linear motor | |
| CN101409494B (en) | Oil-submersible linear motor | |
| CN201312247Y (en) | Submersible linear motor | |
| CN101409495B (en) | Oil-submersible linear motor | |
| CN101431273B (en) | Oil-submersible linear motor | |
| EP3355449B1 (en) | Electrical machine for submerged applications | |
| CN109863310A (en) | The permanent magnet submersible electric motor with resin insertion magnet is made with integral type rotor/yoke piece | |
| CN101285449A (en) | Non-contact type energy transmission system direct drive -type wave energy conversion device | |
| CN201312144Y (en) | Submersible linear motor | |
| CN101725338A (en) | Underground generation device | |
| CN201091059Y (en) | Permanent magnetism linear motor for well | |
| CN200993072Y (en) | Underground turbo generator | |
| CN203722449U (en) | Submersible switched reluctance motor | |
| CN102624191B (en) | Wave energy permanent magnet linear generator | |
| CN104454477A (en) | Sealing device for electric submersible reciprocating pump oil-production system | |
| CN109120130A (en) | A kind of reciprocating submersible electric pump and its linear motor | |
| CN201328025Y (en) | Oil-submersible straight-line motor | |
| CN105850012A (en) | Oil-submersible linear motor | |
| CN201269096Y (en) | Down-hole electric generating apparatus | |
| CN201407182Y (en) | Low-speed direct-drive submersible electric screw pump unit | |
| CN108667246B (en) | A kind of fracturing pump, which directly drives, uses linear motor | |
| CN218771445U (en) | Ultra-low speed synchronous reluctance submersible motor | |
| CN201345582Y (en) | Multi-stage cascade alternating current servo motor | |
| CN113612348B (en) | Submersible screw pump based on ultra-low speed multi-rotor permanent magnet submersible motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HAN S ELECTRIC MOTOR TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN HAN S PME CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518057, the Han Dynasty laser building, No. 9 West West Road, Nanshan District hi tech park, Guangdong, Shenzhen Patentee after: Shenzhen Hans Electric Motor Co., Ltd. Address before: 518057, the Han Dynasty laser building, No. 9 West West Road, Nanshan District hi tech park, Guangdong, Shenzhen Patentee before: Shenzhen Han's Precision Macaronis Co., Ltd. |