CN208564484U - A kind of polish rod sealing without replacing sealing element - Google Patents
A kind of polish rod sealing without replacing sealing element Download PDFInfo
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- CN208564484U CN208564484U CN201820309899.9U CN201820309899U CN208564484U CN 208564484 U CN208564484 U CN 208564484U CN 201820309899 U CN201820309899 U CN 201820309899U CN 208564484 U CN208564484 U CN 208564484U
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- filler
- polish rod
- sealing
- gun
- sealing element
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Abstract
The utility model belongs to well head apparatus field, more particularly to a kind of polish rod sealing without replacing sealing element, the technical problem solved by the utility model is implemented by the following technical solutions: the utility model provides a kind of polish rod sealing without replacing sealing element, including jacket, seal box is provided with the filler used as sealing element, the oil pumping polish rod sealed is interspersed in the center of seal box, and the polish rod sealing for not having to close replacement sealing element further includes injecting device.The new packing that the utility model is mixed using filler particles and machine oil; the filler in seal box can be supplemented automatically by the injecting device of motor control; and no replacement is required for filler; it is shut down during filler supplement without stopping production; manpower needed for patrol and replacement packing can not only be saved; and can guarantee the continuous and effective of sealing in the case where sealing material is constantly worn, thoroughly well liquid is avoided to leak.
Description
Technical field
The utility model belongs to well head apparatus field more particularly to a kind of pumping unit light without replacing sealing element
Rod seal apparatus.
Background technique
In petroleum production engineering, pumping production is that a kind of most common DP technology needs when pumping unit works in well head
The oil pumping polish rod constantly to pump is sealed, to prevent the liquid in well from flowing out around oil pumping polish rod
And pollute environment.In order to achieve the purpose that seal oil pumping polish rod, needs that seal box is arranged in well head, be provided with and be used in seal box
Seal the sealing element of oil pumping polish rod.In the prior art, usually using annular packing as the sealing element in seal box, packing abrasion
Afterwards, the packing for needing to open seal box more to renew.In actual use, the sealing part abrasion in seal box is very fast, needs often
Replacement, and replace packing and halt production is needed to shut down, therefore replace packing and be affected to what is normally produced.In addition, whether packing grinds
Loss effect is to be found by the means of artificial patrol, and the distribution of producing well is multi-point and wide-ranging, and the workload of patrol is huge, needs
Expend a large amount of human resources, even if having put into a large amount of patrol personnel, remain on be difficult to ensure find in time it is all
The packing of wear-out failure is difficult to ensure polished rod seal continuous and effective.
Summary of the invention
The utility model provides a kind of polish rod sealing without replacing sealing element, to solve above-mentioned background skill
The problem of being proposed in art.
The technical problem solved by the utility model is implemented by the following technical solutions: the utility model provides one kind not
The filler used as sealing element, quilt are provided with the polish rod sealing of replacement sealing element, including jacket, seal box
The oil pumping polish rod of sealing is interspersed in the center of seal box, and the polish rod sealing for not having to close replacement sealing element is also
Including injecting device, the structure of the seal box includes box body and box cover, and the two is threadably secured connection, the filler envelope
It is provided in the cavity that box body and box cover surround, between box cover and filler for blocking filler upper end and compressing the pressure of filler
Tight component, hold down assembly on be provided with circular hole for interting oil pumping polish rod, the diameter of the circular hole is bigger than the diameter of oil pumping polish rod
7-8mm, hold down assembly on wearing ring is installed, the internal diameter of wearing ring is matched with the outer diameter of oil pumping polish rod, the outside cylinder of wearing ring
Face and the gap of unilateral 3.5-4mm is provided between holding down assembly, to make wearing ring can be under the driving of oil pumping polish rod laterally
Vibration, the filler are mainly made of filler particles in irregular shape and machine oil, and the equivalent diameter of filler particles is 3-
The mass ratio of 5mm, filler particles and machine oil is 10:3, and the side of the box body is provided with the material feeding for connecting injecting device
Hole；
The structure of the injecting device includes the body of a gun, motor, motor control module, pressing plate and end cap, wherein electricity is mechanical, electrical
Machine control module and pressing plate are encapsulated in the cavity surrounded by the body of a gun and end cap, and motor and motor control module are fixedly mounted on
In injecting device, the center of the output shaft of motor is provided with the threaded hole of perforation, and lead screw is equipped in threaded hole, and the pressing plate is solid
Be scheduled on one end of lead screw, pressing plate and the body of a gun surround packing cavity inside injecting device, on pressing plate with set on the faying face of body of a gun inner wall
Be equipped with the protrusion playing the guiding role, be provided on body of a gun inner wall with the described matched guide slide of protrusion, in pressing plate and the body of a gun
Maximal clearance between wall is not more than 0.5mm, and body of a gun inside is correspondingly arranged on pressure sensing with section where the packing cavity
The pressure value monitored is fed back to motor control module by device, pressure sensor, and motor control module is opened according to pressure value judgement
Open the opportunity of motor.
Bottom on the inside of the box body is provided with one and the identical wearing ring of the wearing ring.Described subtracts
Bull ring is made of two semi-rings, is connected between two semi-rings by dovetail groove.The granular filler particles are by waste and old
It is made after driving belt is broken.The machine oil told is the used oil by filtered through gauze.The side of the body of a gun, which is provided with, lets out
Oilhole is connected with oil box at oil leak hole.
The utility model has the following beneficial effects:
1, the new packing that the utility model is mixed using filler particles and machine oil, passes through the injecting device of motor control
Automatically the filler in seal box can be supplemented, and no replacement is required for filler, is shut down during filler supplement without stopping production, no
But manpower needed for patrol and replacement packing can be saved, and can guarantee sealing in the case where sealing material is constantly worn
Continuous and effective thoroughly avoids well liquid from leaking.
2, the utility model is using the original of replaced waste and old driving belt and waste used oil as filler on pumping unit
Material recycles waste, and economic benefit is very significant.
3, motor is encapsulated in injecting device by the utility model, and it is stolen to can effectively avoid motor；By the output shaft system of motor
At hollow structure, lead screw is directly installed in the output shaft of motor by screw thread, simplifies pressing plate driving mechanism significantly
Structure, to substantially reduce the length of injecting device.
4, sealing element in the present invention, is not provided between the edge of pressing plate and the inner wall of salubrity, but there are gaps
, design in this way can be such that air remaining in filler and extra machine oil is precipitated after filler compression, to avoid
The sealing performance of filler is adversely affected.
5, in the pumping unit system course of work, oscillation crosswise can occur for oil pumping polish rod, and it is inclined that this vibration directly contributes filler
Mill problem makes filler rapid wear.In order to solve the problems, such as filler eccentric wear, the rate of wear of filler is reduced, the utility model is close
Wearing ring is provided in jacket, wearing ring can limit the oscillation crosswise amplitude of oil pumping polish rod by limited lateral vibration, from
And inhibit eccentric wear problem.Meanwhile wearing ring may also function as the effect of frizing paraffin cutting.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of seal box；
Fig. 3 is the structural schematic diagram of injecting device；
Fig. 4 is the structural schematic diagram of wearing ring；
Sectional view in Fig. 5 at A.
In figure: 1- wearing ring, 2- filler, 3- oil pumping polish rod, 4- box body, 5- hold down assembly, 6- box cover, the 7- body of a gun, 8- pressure
Plate, 9- lead screw, 10- motor, 11- motor control module, 12- end cap, the output shaft of 13- motor, 14- pressure sensor, 15- swallow
Stern notch, 16- protrusion, 17- oil box, 18- packing cavity.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
The present embodiment includes seal box, and seal box is provided with the filler 2 used as sealing element, the oil pumping polish rod sealed
3 are interspersed in the center of seal box.The above are universal architectures in the prior art, and details are not described herein.
The utility model further includes injecting device.The utility model novel is filled out using what filler particles and machine oil were mixed
Material, the injecting device controlled by motor 10 can automatically supplement the filler 2 in seal box, and no replacement is required for filler 2, filler
It is shut down during 2 supplements without stopping production, manpower needed for can not only saving patrol and replacement packing, and can be in sealing material
The continuous and effective for guaranteeing sealing in the case where material constantly abrasion, thoroughly avoids well liquid from leaking.
The structure of the seal box includes box body 4 and box cover 6, and the two is threadably secured connection, 2 envelope of filler
In the cavity that box body 4 and box cover 6 surround, it is provided between box cover 6 and filler 2 and is filled out for blocking 2 upper end of filler and compressing
Material 2 holds down assembly 5, and hold down assembly the circular hole being provided on 5 for interting oil pumping polish rod 3, and the diameter of the circular hole is than oil pumping light
The big 7-8mm of the diameter of bar 3 holds down assembly and is equipped with wearing ring 1 on 5, and the internal diameter of wearing ring 1 is matched with the outer diameter of oil pumping polish rod 3,
It the external cylindrical surface of wearing ring 1 and holds down assembly and is provided with the gap of unilateral 3.5-4mm between 5, to make wearing ring 1 that can pump
Lateral vibration under the driving of polished rod 3.In the present invention, it is not provided with sealing between the edge of pressing plate 8 and the inner wall of the body of a gun 7
Part, but there are gaps, design in this way, can make air remaining in filler 2 and extra machine oil filler 2 by
It is precipitated after pressure, so that the sealing performance to filler 2 be avoided to adversely affect.
The filler 2 is mainly made of filler particles in irregular shape and machine oil, and the equivalent diameter of filler particles is
The mass ratio of 3-5mm, filler particles and machine oil is 10:3, and the side of the box body 4 is provided with the note for connecting injecting device
Expect hole.
The structure of the injecting device includes the body of a gun 7, motor 10, motor control module 11, pressing plate 8 and end cap 12, wherein
Motor 10, motor control module 11 and pressing plate 8 are encapsulated in the cavity surrounded by the body of a gun 7 and end cap 12, motor 10 and motor
Control module 11 is fixedly mounted in injecting device, and the center of the output shaft of motor 10 is provided with the threaded hole of perforation, in threaded hole
Lead screw 9 is installed, the pressing plate 8 is fixed on one end of lead screw 9, and pressing plate 8 and the body of a gun 7 surround packing cavity inside injecting device
18, on pressing plate 8 be provided with the protrusion 16 playing the guiding role on the faying face of 7 inner wall of the body of a gun, be provided on 7 inner wall of the body of a gun and institute
The matched guide slide of protrusion 16 stated, the maximal clearance between 7 inner wall of pressing plate 8 and the body of a gun are not more than 0.5mm, 7 inside of the body of a gun
It is correspondingly arranged on pressure sensor 14 with the 18 place section of packing cavity, pressure sensor 14 is anti-by the pressure value monitored
It feeds motor control module 11, motor control module 11 judges to open the opportunity of motor 10 according to pressure value.
In the pumping unit system course of work, oscillation crosswise can occur for oil pumping polish rod 3, and it is inclined that this vibration directly contributes filler 2
Mill problem makes 2 rapid wear of filler.In order to solve the problems, such as 2 eccentric wear of filler, the rate of wear of filler 2 is reduced, the utility model exists
Wearing ring 1 is provided in seal box, wearing ring 1 can limit the oscillation crosswise width of oil pumping polish rod 3 by limited lateral vibration
Degree, to inhibit eccentric wear problem.Meanwhile wearing ring 1 may also function as the effect of frizing paraffin cutting.
The bottom of 4 inside of box body is provided with one and the above-mentioned identical wearing ring 1 of wearing ring 1.It is described
Wearing ring 1 be made of two semi-rings, connected between two semi-rings by dovetail groove 15.The granular filler particles by
It is made after waste and old driving belt is broken.The machine oil told is the used oil by filtered through gauze.The side of the body of a gun 7 is set
It is equipped with oil leak hole, oil box 17 is connected at oil leak hole.
The utility model is using the former material of replaced waste and old driving belt and waste used oil as filler 2 on pumping unit
Material, recycles waste, economic benefit is very significant.
Motor 10 is encapsulated in injecting device by the utility model, and it is stolen to can effectively avoid motor 10；By the output shaft of motor
13 are made hollow structure, and lead screw 9 is directly installed in the output shaft 13 of motor by screw thread, simplify the drive of pressing plate 8 significantly
The structure of motivation structure, to substantially reduce the length of injecting device.
In the present invention, sealing element is not provided between the edge of pressing plate 8 and the inner wall of the body of a gun 7, but there are gaps
, design in this way can be such that air remaining in filler 2 and extra machine oil is precipitated after the compression of filler 2, to keep away
Exempt to adversely affect the sealing performance of filler 2.
Claims (5)
1. a kind of polish rod sealing without replacing sealing element, including seal box, seal box are provided with as sealing
The filler (2) that part uses, the oil pumping polish rod sealed (3) are interspersed in the center of seal box, it is characterised in that: described does not have to more
The polish rod sealing for changing sealing element further includes injecting device, and the structure of the seal box includes box body (4) and box cover
(6), the two is threadably secured connection, and the filler (2) is encapsulated in the cavity that box body (4) and box cover (6) surround, box cover
(6) it is provided with for blocking filler (2) upper end and compressing hold down assembly (5) of filler (2), holds down assembly between filler (2)
(5) circular hole for interting oil pumping polish rod (3) is provided on, the diameter of the circular hole is 7-8mm bigger than the diameter of oil pumping polish rod (3),
It holds down assembly and is equipped with wearing ring (1) on (5), the internal diameter of wearing ring (1) is matched with the outer diameter of oil pumping polish rod (3), wearing ring (1)
External cylindrical surface and hold down assembly and be provided with the gap of unilateral 3.5-4mm between (5), to make wearing ring (1) can be in oil pumping light
Lateral vibration, the filler (2) are mainly made of filler particles in irregular shape and machine oil under the driving of bar (3), filler
The equivalent diameter of particle is 3-5mm, and the mass ratio of filler particles and machine oil is 10:3, and the side of the box body (4) is provided with
For connecting the material hole of injecting device；
The structure of the injecting device includes the body of a gun (7), motor (10), motor control module (11), pressing plate (8) and end cap
(12), wherein motor (10), motor control module (11) and pressing plate (8), which are encapsulated in, to be surrounded by the body of a gun (7) and end cap (12)
In cavity, motor (10) and motor control module (11) are fixedly mounted in injecting device, and the center of the output shaft of motor (10) is set
It is equipped with the threaded hole of perforation, is equipped in threaded hole lead screw (9), the pressing plate (8) is fixed on one end of lead screw (9), pressing plate
(8) it surrounds inside injecting device packing cavity (18) with the body of a gun (7), is provided on pressing plate (8) on the faying face of the body of a gun (7) inner wall
The protrusion (16) playing the guiding role is provided with and the protrusion (16) matched guide slide, pressing plate on the body of a gun (7) inner wall
(8) maximal clearance between the body of a gun (7) inner wall is not more than 0.5mm, the body of a gun (7) inside and described packing cavity (18) location
Section is correspondingly arranged on pressure sensor (14), and the pressure value monitored is fed back to motor control module by pressure sensor (14)
(11), motor control module (11) judges to open the opportunity of motor (10) according to pressure value.
2. a kind of polish rod sealing without replacing sealing element according to claim 1, it is characterised in that: institute
The wearing ring (1) stated is made of two semi-rings, is connected between two semi-rings by dovetail groove (15).
3. a kind of polish rod sealing without replacing sealing element according to claim 1, it is characterised in that: institute
The granular filler particles stated are made after being crushed by waste and old driving belt.
4. a kind of polish rod sealing without replacing sealing element according to claim 1, it is characterised in that: institute
The machine oil told is the used oil by filtered through gauze.
5. a kind of polish rod sealing without replacing sealing element according to claim 1, it is characterised in that: institute
The side for the body of a gun (7) stated is provided with oil leak hole, and oil box (17) are connected at oil leak hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309899.9U CN208564484U (en) | 2018-03-07 | 2018-03-07 | A kind of polish rod sealing without replacing sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309899.9U CN208564484U (en) | 2018-03-07 | 2018-03-07 | A kind of polish rod sealing without replacing sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564484U true CN208564484U (en) | 2019-03-01 |
Family
ID=65453111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820309899.9U Active CN208564484U (en) | 2018-03-07 | 2018-03-07 | A kind of polish rod sealing without replacing sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208564484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107244A (en) * | 2019-04-25 | 2019-08-09 | 朱广海 | A kind of particle filled-in composite bellows packing |
-
2018
- 2018-03-07 CN CN201820309899.9U patent/CN208564484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107244A (en) * | 2019-04-25 | 2019-08-09 | 朱广海 | A kind of particle filled-in composite bellows packing |
| CN110107244B (en) * | 2019-04-25 | 2021-04-27 | 朱广海 | Crushed aggregates fills type combined material bag packing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: 163000 business service 10, No.12 commercial and residential building, jiulongda community, No.100, Sahuan East Road, Sartu District, Daqing City, Heilongjiang Province Patentee after: DAQING XINGHUA TIANYI OIL DRILLING EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 163000 65 sets of West peony Committee, Lixin office, Xi'an District, Heilongjiang, Mudanjiang Patentee before: Jia Guangsheng |