CN207245667U - Electric pump well mouth hanger - Google Patents
Electric pump well mouth hanger Download PDFInfo
- Publication number
- CN207245667U CN207245667U CN201721298935.8U CN201721298935U CN207245667U CN 207245667 U CN207245667 U CN 207245667U CN 201721298935 U CN201721298935 U CN 201721298935U CN 207245667 U CN207245667 U CN 207245667U
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- Prior art keywords
- seal
- well mouth
- electric pump
- pump well
- hanger
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Abstract
It the utility model is related to mechanical oil recovery field of tool, more particularly to a kind of electric pump well mouth hanger.Seal is pressed abd fixed in annular seal space by locking member, conical surface sealing structure on seal realizes the sealing between cable and hanger body, conical surface sealing structure sealing intensity is high, being capable of stabilized seal at elevated pressures, preferable sealing effect can just be reached by a seal, seal is pressed abd fixed in annular seal space using locking member in assembling, solves the problems, such as that existing well mouth hanger is cumbersome by assembling caused by multiple sealant rubber rings and sealing spacer ring cooperation realization sealing.
Description
Technical field
It the utility model is related to mechanical oil recovery field of tool, more particularly to a kind of electric pump well mouth hanger.
Background technology
Submersible electric pump is to provide driven by power electric pump by cable to work, and cable is suspended on well head by well mouth hanger
On, existing well mouth hanger is side opening door well mouth hanger, and cable leads to the cable of crossing on the opening door well mouth hanger of side
Hole uses interference fit type, and sealing stress levels are in below 5MPa, it is impossible to which satisfaction is adopted in high-pressure water injection well and high pressure discharge opeing
Use in gas well.
Authorization Notice No. is that the Chinese patent document of 202810760 U of CN discloses a kind of submersible electric pump in the prior art
Well head high pressure seal, including hanger and hermetic unit, hanger include body, and body is equipped with for connected pipes
Connection structure, electric-pump cable are alternately through electricity successively through the cable through-hole on well mouth hanger, sealant rubber ring and sealing spacer ring
Pump on cable, the annular seal space of hanger lower end is tightened with seal pressure cap by screw thread, hanger upper end annular seal space secondary seal
Pipe is tightened.The sealing principle of the sealing structure of this hanger is the radial deformation after being pressurized by sealant rubber ring to realize sealing
, and the deformation extent of single sealant rubber ring is limited, it is necessary to reach the quantity that higher sealability can only increase sealant rubber ring,
At the same time to ensure the deformation extent of each sealant rubber ring, sealing spacer ring is provided between adjacent sealant rubber ring, is so being pacified
Just need in sequence to assemble multiple sealant rubber rings and sealing spacer ring one by one during dress, cause to assemble the problem of cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of electric pump well mouth hanger, is led to solving existing well mouth hanger
Cross multiple sealant rubber rings and the problem of assembling caused by sealing is cumbersome is realized in sealing spacer ring cooperation.
To achieve the above object, the electric pump well mouth hanger of the utility model adopts the following technical scheme that：
The technical solution 1 of electric pump well mouth hanger：Electric pump well mouth hanger, including hanger body, the suspension
Device body is equipped with the cable through-hole for being used for connecting the oil tube connection structure of production pipe and passed through for current supply cable, the cable
At least one end of through hole is equipped with annular seal space, and the electric pump well mouth hanger further includes the seal being arranged in the annular seal space
And the locking member for being pressed abd fixed on the seal in the annular seal space, it is equipped with the locking member and seal
The through hole passed through for current supply cable, the conical surface that at least one end of the seal is equipped with the radial contraction holding cable that can be pressurized are close
Seal structure.Seal is pressed abd fixed in annular seal space by locking member, and the conical surface sealing structure on seal realizes cable and suspension
Sealing between device body, conical surface sealing structure sealing intensity are high, can stabilized seal at elevated pressures, pass through a sealing
Body can just reach preferable sealing effect, and seal is pressed abd fixed in annular seal space using locking member in assembling,
It is cumbersome to solve assembling caused by existing well mouth hanger coordinates realization sealing by multiple sealant rubber rings and sealing spacer ring
Problem.
The technical solution 2 of electric pump well mouth hanger, into one on the basis of the technical solution 1 of electric pump well mouth hanger
Step improvement obtains：The both ends of the seal are equipped with the conical surface sealing structure.The conical surface sealing structure at seal both ends into
One step ensure that sealability, improve voltage endurance capability.
The technical solution 3 of electric pump well mouth hanger, into one on the basis of the technical solution 2 of electric pump well mouth hanger
Step improvement obtains：The conical surface sealing structure is the circular conical surface for being arranged on the seal end, the hanger body and institute
Locking member is stated to be equipped with for the bellmouth with the cooperation of the circular conical surface of seal respective end, sealed reliable.
The technical solution 4 of electric pump well mouth hanger, any one in the technical solution 1 ~ 3 of electric pump well mouth hanger
On the basis of further improve obtain：The both ends of the cable through-hole are equipped with annular seal space, are correspondingly provided with two annular seal spaces
Seal and locking member, further increase sealing reliability.
The technical solution 5 of electric pump well mouth hanger, any one in the technical solution 1 ~ 3 of electric pump well mouth hanger
On the basis of further improve obtain：The oil tube connection structure is conical bolt hole.
The technical solution 6 of electric pump well mouth hanger, into one on the basis of the technical solution 5 of electric pump well mouth hanger
Step improvement obtains：The hanger body generally circular cone column structure, the conical bolt hole are inclined in the hanger body
The heart is set.
The technical solution 7 of electric pump well mouth hanger, into one on the basis of the technical solution 6 of electric pump well mouth hanger
Step improvement obtains：The cable through-hole is equipped with three, axis arc-shaped distribution of three cable through-holes around the conical bolt hole.
The technical solution 8 of electric pump well mouth hanger, into one on the basis of the technical solution 6 of electric pump well mouth hanger
Step improvement obtains：The male cone (strobilus masculinus) of the hanger body of conical column structure is equipped with sealing ring.
The technical solution 9 of electric pump well mouth hanger, any one in the technical solution 1 ~ 3 of electric pump well mouth hanger
On the basis of further improve obtain：The seal is rubber seal.
The technical solution 10 of electric pump well mouth hanger, it is any one in the technical solution 1 ~ 3 of electric pump well mouth hanger
Further improve and obtain on the basis of：The locking member is lock nut.
Brief description of the drawings
Fig. 1 is the structure diagram of the embodiment 1 of the electric pump well mouth hanger of the utility model；
Fig. 2 is the top view of the electric pump well mouth hanger in Fig. 1；
In attached drawing：1st, hanger body；2nd, sealing ring；3rd, oil pipe connecting hole；4th, cable；5th, lower locking member；6th, lower sealing
Body；7th, upper seal；8th, cable through-hole；9th, upper locking member.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the electric pump well mouth hanger of the utility model, as shown in Figure 1 to Figure 2, electric pump well mouth hangs
Hanging device includes hanger body 1, and hanger body 1, which is equipped with, to be used to connect the oil tube connection structure of production pipe and for powering
The cable through-hole 8 that cable 4 passes through, the overall undergauge pore structure big in middle small both ends of cable through-hole 8.Less portion among undergauge hole
Divide and be adapted to the outside diameter of cable 4, the larger part in both ends forms the annular seal space of cable through-hole 8.Electric pump well mouth hanger also wraps
The seal being arranged in annular seal space and the locking member for being pressed abd fixed on the seal in the annular seal space are included, is locked
The through hole passed through for current supply cable 4 is equipped with tight part and seal, the both ends of seal are equipped with conical surface sealing structure.
In the present embodiment seal and corresponding locking member are equipped with two annular seal spaces up and down.Set in upper annular seal space
Have upper seal 7 and upper locking member 9, the upper and lower ends of upper seal 7 are cone, the bottom of upper annular seal space be equipped with it is upper close
Seal the conical bore of the cone adaptation of 7 lower end of body.One end of upper locking member 9 be for the end of tightening tightened, the other end for for
The top pressure end of seal 7 in top pressure, top pressure end are equipped with the bellmouth with the tapered head fits of upper seal upper end.Upper sealing
The material of body 7 is rubber, upper seal 7 generally column structure, the size fit of size and annular seal space.It is equipped with lower annular seal space
Lower seal 6 and lower locking member 5, the upper and lower ends of lower seal 6 are cone, and the bottom of lower annular seal space is equipped with and lower sealing
The conical bore of the cone adaptation of 6 upper end of body.One end of lower locking member 5 is the end of tightening for tightening, and the other end is for pushing up
The top pressure end of seal 6 is depressed, top pressure end is equipped with the bellmouth with the tapered head fits of lower seal lower end.Lower seal
6 material is rubber, the generally column structure of lower seal 6, the size fit of size and annular seal space.The circular cone at seal both ends
The circular conical surface of shape end is that the both ends for sealing body are equipped with conical surface sealing structure.Conical core hole on locking member and annular seal space is
The fit structure coordinated with conical surface sealing structure top pressure.Upper locking member 9 is upper lock nut, and lower locking member 5 is lower locking
Nut.
Upper locking member 9 and lower locking member 5 use lock nut in the present embodiment, after tightening corresponding locking member, lock
Tight part applies pressure on top surface to corresponding seal.The end of locking member makes seal by bellmouth and seal extrusion fit
End shrink hold tightly cable 4, realize the sealing between seal and cable 4.The other end of seal and hanger sheet at the same time
The conical surface top pressure of bellmouth on body 1 coordinates, and realizes the sealing between seal and hanger body 1.Seal is integrally pressurized
Also it can produce and be radially expanded deformation, fit closely the outer circumferential surface of seal and the inner peripheral surface of annular seal space, it is close to also function to another level
Seal effect.Conical surface sealing structure has larger sealability, and the both ends of seal to seal using conical surface sealing structure
The sealability of structure is relatively reliable.For the present embodiment, the both ends of cable through-hole 8 are equipped with seal and corresponding lock
Tight part, this further enhances sealing voltage endurance capability so that hanger can under the pressure of 35MPa long-term stable operation,
Ensure ne-leakage.
Oil tube connection structure in hanger body 1 is oil pipe connecting hole 3, and the both ends of threaded hole are conical bolt hole knot
Structure.The generally circular cone column structure of hanger body 1, is interval with two sealing rings 2 on the periphery of hanger body 1 up and down,
For being sealed with corresponding respective outer side edges.The eccentric setting in hanger body 1 of oil pipe connecting hole 3.Cable through-hole 8 is equipped with three
It is a, pass through for three cables for electric submersible pump.Three cable through-holes 8 around oil pipe connecting hole 3 the arc-shaped distribution of axis, so
In the case where not changing the size of hanger body 1, ensure that between cable through-hole 8 and oil pipe connecting hole 3 has enough
Distance, avoids cable through-hole 8 from reducing hanger intensity apart from too small with oil pipe connecting hole 3.
The electric pump well mouth hanger of the utility model pacifies upper and lower two seals when carrying out the sealing assembling of cable
In corresponding annular seal space, being fixed seal using corresponding locking member can complete to assemble.Two seals
Both ends are sealed by conical surface sealing structure, and sealing intensity is high, stabilized seal, upper and lower ends can be led at elevated pressures
Cross a seal and realize sealing, seal is pressed abd fixed in annular seal space using locking member in assembling, is solved
The problem of assembling caused by existing well mouth hanger coordinates realization sealing by multiple sealant rubber rings and sealing spacer ring is cumbersome.
The electric pump well mouth hanger 2 of the utility model, in the present embodiment, seal using flexible nylon or
Other sealing materials of person, other are same as Example 1, repeat no more.
The electric pump well mouth hanger 3 of the utility model, in the present embodiment, the conical surface sealing structure at the both ends of seal
For pyramid, the fit structure on corresponding locking member and annular seal space is also pyramid hole shape structure, other are same as Example 1, no
Repeat again.
The electric pump well mouth hanger 4 of the utility model, in the present embodiment, one end of seal set conical surface seal knot
Structure, can also ensure sealing performance, other are same as Example 1, repeat no more by the conical surface sealing structure at the end at this time.
The electric pump well mouth hanger 5 of the utility model, in the present embodiment, directly welding is solid after locking member is press-fit into place
It is scheduled in hanger body, other are same as Example 1, repeat no more.
Claims (10)
1. electric pump well mouth hanger, including hanger body, the hanger body is equipped with the oil for being used for connecting production pipe
Pipe connecting structure and the cable through-hole passed through for current supply cable, at least one end of the cable through-hole are equipped with annular seal space, it is special
Sign is：The electric pump well mouth hanger further includes the seal that is arranged in the annular seal space and for by the sealing
Body is pressed abd fixed on the locking member in the annular seal space, is equipped with the locking member and seal and leads to for what current supply cable passed through
Hole, at least one end of the seal are equipped with the conical surface sealing structure that the radial contraction that can be pressurized holds cable tightly.
2. electric pump well mouth hanger according to claim 1, it is characterised in that：The both ends of the seal are all provided with
State conical surface sealing structure.
3. electric pump well mouth hanger according to claim 2, it is characterised in that：The conical surface sealing structure is to be arranged on
The circular conical surface of the seal end, the hanger body and the locking member be equipped with for seal respective end
The bellmouth that circular conical surface coordinates.
4. the electric pump well mouth hanger according to any one in claim 1 ~ 3, it is characterised in that：The cable through-hole
Both ends be equipped with annular seal space, be correspondingly provided with seal and locking member in two annular seal spaces.
5. the electric pump well mouth hanger according to any one in claim 1 ~ 3, it is characterised in that：The oil pipe connection
Structure is conical bolt hole.
6. electric pump well mouth hanger according to claim 5, it is characterised in that：The hanger body generally circular cone
Column structure, conical bolt hole eccentric setting in the hanger body.
7. electric pump well mouth hanger according to claim 6, it is characterised in that：The cable through-hole is equipped with three, three
Axis arc-shaped distribution of a cable through-hole around the conical bolt hole.
8. electric pump well mouth hanger according to claim 6, it is characterised in that：The hanger sheet of conical column structure
The male cone (strobilus masculinus) of body is equipped with sealing ring.
9. the electric pump well mouth hanger according to any one in claim 1 ~ 3, it is characterised in that：The seal is
Rubber seal.
10. the electric pump well mouth hanger according to any one in claim 1 ~ 3, it is characterised in that：The locking member
For lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298935.8U CN207245667U (en) | 2017-10-10 | 2017-10-10 | Electric pump well mouth hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298935.8U CN207245667U (en) | 2017-10-10 | 2017-10-10 | Electric pump well mouth hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245667U true CN207245667U (en) | 2018-04-17 |
Family
ID=61889929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721298935.8U Active CN207245667U (en) | 2017-10-10 | 2017-10-10 | Electric pump well mouth hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890726A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Tool for bearing cable in well |
| CN112780211A (en) * | 2019-11-07 | 2021-05-11 | 中国石油天然气股份有限公司 | Sealing device for optical fiber well temperature monitoring well head of production well |
-
2017
- 2017-10-10 CN CN201721298935.8U patent/CN207245667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890726A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Tool for bearing cable in well |
| CN112780211A (en) * | 2019-11-07 | 2021-05-11 | 中国石油天然气股份有限公司 | Sealing device for optical fiber well temperature monitoring well head of production well |
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