CN206962616U - A kind of latent oil magneto cable pigtail static seal structure - Google Patents
A kind of latent oil magneto cable pigtail static seal structure Download PDFInfo
- Publication number
- CN206962616U CN206962616U CN201720779955.0U CN201720779955U CN206962616U CN 206962616 U CN206962616 U CN 206962616U CN 201720779955 U CN201720779955 U CN 201720779955U CN 206962616 U CN206962616 U CN 206962616U
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- lead
- out wire
- cable pigtail
- outer barrel
- static seal
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Abstract
The utility model discloses a kind of latent oil magneto cable pigtail static seal structure, including motor stator outer barrel and the cable pigtail for being installed on motor stator outer barrel；Lead-out wire locking nut and lead-out wire press-fited nut are set with cable pigtail successively；Cable pigtail is located at the part suit one-level lead-out wire sealing ring in motor stator outer barrel, and cable pigtail is located at the part suit two level lead-out wire encapsulated coil in lead-out wire locking nut；The front end of lead-out wire locking nut and the rear end of motor stator outer barrel are connected through a screw thread, and the front end and the rear end of lead-out wire locking nut of lead-out wire press-fited nut are connected through a screw thread.The utility model realizes the static seal at latent oil magneto cable pigtail, solves because the problem of motor is burnt in seal failure.Dual lead-out wire static seal structure individually can bear 25MPa hydraulic pressure without leakage.500M Ω are all higher than with 1000V megaohms of table look-up fixed subcoil insulating resistance.
Description
【Technical field】
The utility model belongs to industrial gas oil DP technology technical field, is related to a kind of latent oil magneto cable
Lead-out wire static seal structure.
【Background technology】
Latent oil magneto cable pigtail static seal is always one of main bugbear for influenceing motor reliability.Work as motor
When depth of falling well is more than 1500 meters, limiting case well-sinking pressure is more than 15MPa, while Korrosionsmedium in well liquid also be present,
Lead-out wire sealing structure is limited by space limitation, and problem is more complicated.Conventional static seal can be sealed by 25MPa in the cylinder that pressurizes
Experiment.But after the long period of underground, draw linear sealing and still occur that lead-out wire rubber insulation is quiet close caused by dissolving
Envelope failure.
【Utility model content】
The purpose of this utility model is to be directed to lead-out wire static seal reliability hidden danger, there is provided a kind of latent oil Permanent Magnet and Electric is electromechanical
Cable lead-out wire static seal structure, the structure is lead-out wire dual static sealing structure, and is mounted with that pure copper sheet is strong at locking nut
Change sealing, avoid because lead-out wire static seal fails, well liquid enters stator coil the problem of burning motor, extension underground latent oil permanent magnetism
Motor-driven Rodless oil extraction system is excused from a college course the phase.
To reach above-mentioned purpose, the utility model is achieved using following technical scheme：
A kind of latent oil magneto cable pigtail static seal structure, including motor stator outer barrel and be installed on motor and determine
The cable pigtail of sub- outer barrel；Lead-out wire locking nut and lead-out wire press-fited nut are set with cable pigtail successively；Electricity
Cable lead-out wire is located at the part suit one-level lead-out wire sealing ring in motor stator outer barrel, and cable pigtail is located at lead-out wire locking
Part suit two level lead-out wire encapsulated coil in nut；The front end of lead-out wire locking nut and the front end of motor stator outer barrel lead to
Threaded connection is crossed, the front end and the rear end of lead-out wire locking nut of lead-out wire press-fited nut are connected through a screw thread.
The utility model, which further improves, to be：
Primary seal pad is provided between lead-out wire locking nut and motor stator outer barrel.
Primary seal pad is copper packing.
Secondary seal pad is provided between lead-out wire press-fited nut and lead-out wire locking nut.
Secondary seal pad is copper packing.
One-level lead-out wire sealing ring and two level lead-out wire encapsulated coil are rubber seal.
Compared with prior art, the utility model has the advantages that：
The utility model lead-out wire uses dual static sealing structure, is mounted with that pure copper sheet strengthens sealing at locking nut.
To prevent well liquid from corroding, double-deck oil-submersible cable special-purpose water-proof adhesive tape is addition of outside stator lead-out wire rubber insulation.This practicality
The new static seal realized at latent oil magneto cable pigtail, is solved because the problem of motor is burnt in seal failure.It is double
Weight lead-out wire static seal structure individually can bear 25MPa hydraulic pressure without leakage.With 1000V megaohms of table look-up fixed subcoil insulating
Resistance is all higher than 500M Ω.
【Brief description of the drawings】
Fig. 1 is the utility model latent oil magneto cable pigtail static seal structure profile construction schematic diagram.
Wherein：1- cable pigtails；2- lead-out wire press-fited nuts；3- two level lead-out wire sealing rings；4- secondary seal pads；5-
Lead-out wire locking nut；6- primary seal pads；7- one-level lead-out wire sealing rings；8- motor stator outer barrels.
【Embodiment】
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, the utility model latent oil magneto cable pigtail static seal structure, including motor stator outer barrel 8
And it is installed on the cable pigtail 1 inside motor stator outer barrel 8；Lead-out wire locking nut 5 is set with cable pigtail 1 successively
With lead-out wire press-fited nut 2；Cable pigtail 1 is located at the part suit one-level lead-out wire sealing ring 7 in motor stator outer barrel 8,
Cable pigtail 1 is located at the part suit two level lead-out wire encapsulated coil 3 in lead-out wire locking nut 5；Lead-out wire locking nut 5
Front end and the front end of motor stator outer barrel 8 be connected through a screw thread, the front end of lead-out wire press-fited nut 2 and lead-out wire locking nut
5 rear end is connected through a screw thread.Primary seal pad 6 is provided between lead-out wire locking nut 5 and motor stator outer barrel 8.One-level
Sealing gasket 6 is copper packing.Secondary seal pad 4 is provided between lead-out wire press-fited nut 2 and lead-out wire locking nut 5.Secondary seal
Pad 4 is copper packing.One-level lead-out wire sealing ring 7 and two level lead-out wire encapsulated coil 3 are rubber seal.
Principle of the present utility model：
Cable pigtail 1 is located inside motor stator outer barrel 8, to prevent well liquid from entering coil of stator of motor, first in cable
One-level lead-out wire sealing ring 7 and primary seal copper packing 6 are inserted on lead-out wire 1, by outside lead-out wire locking nut 5 and motor stator
Cylinder 8 is threadedly coupled, and applies axial compressive force to one-level lead-out wire sealing ring so that the radial deformation of one-level lead-out wire sealing ring 7, reach
Static seal effect, although the outside of primary seal copper packing 6 can pressure-bearing 60MPa, between lead-out wire locking nut 5 and cable pigtail 1
It can not be fully sealed, equally need to be furnished with two level lead-out wire in lead-out wire press-fited nut front end by installing lead-out wire press-fited nut 2 additional
Sealing ring 3 and secondary seal copper packing 4 realize two level static seal.
Above content is only to illustrate technological thought of the present utility model, it is impossible to limits protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme, each fall within this reality
Within protection domain with new claims.
Claims (6)
- A kind of 1. latent oil magneto cable pigtail static seal structure, it is characterised in that including motor stator outer barrel (8) and It is installed on the internal cable pigtail (1) of motor stator outer barrel (8)；Cable pigtail is set with lead-out wire locking screw successively on (1) Female (5) and lead-out wire press-fited nut (2)；The part suit one-level that cable pigtail (1) is located in motor stator outer barrel (8) is drawn Linear sealing circle (7), cable pigtail (1) are located at the part suit two level lead-out wire encapsulated coil in lead-out wire locking nut (5) (3)；The front end of lead-out wire locking nut (5) and the front end of motor stator outer barrel (8) are connected through a screw thread, lead-out wire press-fited nut (2) rear end of front end and lead-out wire locking nut (5) is connected through a screw thread.
- 2. latent oil magneto cable pigtail static seal structure according to claim 1, it is characterised in that lead-out wire is locked Primary seal pad (6) is tightly provided between nut (5) and motor stator outer barrel (8).
- 3. latent oil magneto cable pigtail static seal structure according to claim 2, it is characterised in that primary seal It is copper packing to pad (6).
- 4. latent oil magneto cable pigtail static seal structure according to claim 1, it is characterised in that lead-out wire pressure Secondary seal pad (4) is provided between loading nut (2) and lead-out wire locking nut (5).
- 5. latent oil magneto cable pigtail static seal structure according to claim 4, it is characterised in that secondary seal It is copper packing to pad (4).
- 6. latent oil magneto cable pigtail static seal structure according to claim 1, it is characterised in that one-level is drawn Linear sealing circle (7) and two level lead-out wire encapsulated coil (3) are rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779955.0U CN206962616U (en) | 2017-06-29 | 2017-06-29 | A kind of latent oil magneto cable pigtail static seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779955.0U CN206962616U (en) | 2017-06-29 | 2017-06-29 | A kind of latent oil magneto cable pigtail static seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962616U true CN206962616U (en) | 2018-02-02 |
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ID=61386522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720779955.0U Active CN206962616U (en) | 2017-06-29 | 2017-06-29 | A kind of latent oil magneto cable pigtail static seal structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN206962616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217545A (en) * | 2017-06-29 | 2019-01-15 | 中国石油天然气股份有限公司 | A kind of latent oil magneto cable pigtail static seal structure |
| CN109450185A (en) * | 2018-12-29 | 2019-03-08 | 苏州贝得科技有限公司 | A kind of the lead-out wire insulated enclosure technique and its sealing structure of magnetic-suspension linear motor |
-
2017
- 2017-06-29 CN CN201720779955.0U patent/CN206962616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217545A (en) * | 2017-06-29 | 2019-01-15 | 中国石油天然气股份有限公司 | A kind of latent oil magneto cable pigtail static seal structure |
| CN109450185A (en) * | 2018-12-29 | 2019-03-08 | 苏州贝得科技有限公司 | A kind of the lead-out wire insulated enclosure technique and its sealing structure of magnetic-suspension linear motor |
| CN109450185B (en) * | 2018-12-29 | 2024-05-24 | 苏州贝得科技有限公司 | Insulation sealing process and sealing structure for outgoing line of magnetic suspension linear motor |
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