[go: up one dir, main page]

CN209724279U - A kind of high-pressure polished rod sealer - Google Patents

A kind of high-pressure polished rod sealer Download PDF

Info

Publication number
CN209724279U
CN209724279U CN201920356301.6U CN201920356301U CN209724279U CN 209724279 U CN209724279 U CN 209724279U CN 201920356301 U CN201920356301 U CN 201920356301U CN 209724279 U CN209724279 U CN 209724279U
Authority
CN
China
Prior art keywords
seal mechanism
packing
sealing
polished rod
sealing ring
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 - Fee Related
Application number
CN201920356301.6U
Other languages
Chinese (zh)
Inventor
吕振超
周鲁斌
董应祥
李国鹏
翟伟强
姜兆锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Datong Machine Pump Co Ltd
Original Assignee
Puyang Datong Machine Pump Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Puyang Datong Machine Pump Co Ltd filed Critical Puyang Datong Machine Pump Co Ltd
Priority to CN201920356301.6U priority Critical patent/CN209724279U/en
Application granted granted Critical
Publication of CN209724279U publication Critical patent/CN209724279U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Nozzles (AREA)

Abstract

The utility model relates to arrive a kind of oil equipment field, and in particular to arrive a kind of high-pressure polished rod sealer.Including primary seal mechanism, auxiliary seal mechanism, anti-spraying mechanism and adjusting deviation device, the top of the auxiliary seal mechanism is arranged in the primary seal mechanism;The adjusting deviation device and anti-spraying mechanism are mounted on the lower section of the auxiliary seal mechanism.The utility model, the sealing intensity of auxiliary seal mechanism increases, it can make the pumpingh well it is suitable for higher pressure, it is novel in design simultaneously, it is compact-sized, realize 360 ° of horizontal displacement tuningouts and automatic blowout-prevention, it is easy to adjust operation, first packing of primary seal mechanism and the second packing of auxiliary seal mechanism have fabulous sealing effect and service life, it effectively prevent oil liquid to leak from primary seal mechanism and auxiliary seal mechanism, it prevents the pollution of the environment, lower contact is three-way connection, the polished rod sealer can be directly loaded on mouth of pumped oil well hanger, well head does not need additionally to install threeway, reduce pumpingh well number of devices, cost is saved.

Description

A kind of high-pressure polished rod sealer
Technical field
The utility model relates to arrive a kind of oil equipment field, and in particular to arrive a kind of high-pressure polished rod sealer.
Background technique
In oilfield process, 90% or more crude oil is mined from oil reservoir by pumping unit, and polished rod sealer is Pumping unit carries out the indispensable corollary apparatus of normal oil extraction operation.Since hole condition is complicated during produced on-site, pumping unit hanging point with Well head center would generally generate displacement, and production wellhead center is caused not to be overlapped with polished rod center;Furthermore it is installed and is missed due to pumping unit The reasons such as difference, it will usually aggravate the abrasion of polished rod sealer sealed packing and polished rod, long will cause crude oil leakage, pollute ring Border.In production process, usual polished rod sealer does not have sealed packing Self tightening device, and it is close to will cause polished rod after sealed packing abrasion Device failure is sealed, crude oil leakage pollutes environment.It need to be waited until when conventional polished rod sealer replacement sealed packing after well head is bled off pressure completely It can be carried out, seriously affect production efficiency.Meanwhile existing polished rod sealer does not have perhaps auxiliary seal mechanism or auxiliary close The sealing performance of sealing mechanism is low, can not be applied on the pumpingh well of high pressure.
Utility model content
The technical problem to be solved by the utility model is to one kind can be suitable for high pressure oil wells, reduce pumpingh well Number of devices, the high-pressure polished rod sealer of save the cost.
To achieve the goals above, technical solution provided by the utility model is:
A kind of high-pressure polished rod sealer, including primary seal mechanism, auxiliary seal mechanism, anti-spraying mechanism and adjusting deviation device, institute State the top that the auxiliary seal mechanism is arranged in primary seal mechanism;The adjusting deviation device and anti-spraying mechanism are mounted on the auxiliary The lower section of sealing mechanism;
The auxiliary seal mechanism is by holding pipe, sealing sliding block, anti-turn screw, sealing take-up housing, sealing ring II, connection tightly The composition such as set, pressure cap, small pressing sleeve, the second packing, guide sleeve, adjusting rod, connecting pin, sealing sliding block and sealing take-up housing are by even Outbound nail is installed on after being linked and packed and holds tightly in pipe;Anti-turn screw equipped with sealing ring, which is loaded on, to be held tightly on pipe, and is inserted in sealing and slided In block limiting slot;After adjusting rod is loaded on connector sleeve, guide sleeve, the second packing, small pressing sleeve, pressure cap are successively loaded on connector sleeve Right end, sealing ring II are loaded on the left end of connector sleeve, and later, connector sleeve left end, which is threaded in, holds tightly on pipe, and adjusting rod is inserted In sealing take-up housing regulating tank in,
The primary seal mechanism includes: adjusting nut, sealing ring I, packing pressing sleeve, the first packing, sealed letter body, compression bullet Spring;The adjusting nut is threadedly coupled with the sealed letter body;The sealing ring I is mounted on above the packing pressing sleeve;It is described Sealing ring I is mounted as a whole on inside the adjusting nut;The first packing installation and the compressed spring top;Described first Packing is mounted as a whole on inside sealed letter body,
The anti-spraying mechanism is made of attachment screw, blowout prevention valve seat, pin shaft, blowout prevention valve plate etc., and blowout prevention valve seat passes through connection Screw is installed on the bottom of sealed letter body, and blowout prevention valve plate is connect by pin shaft with blowout prevention valve seat,
Adjusting deviation device described in the adjusting deviation device is made of tuningout flange, sealing ring III and lower contact, the tuningout flange It is fixedly connected with the lower contact;In groove on the upside of the sealing ring III installation and the lower contact.
Specifically, the holding pipe is installed with sealed letter body interference fit.
Specifically, the tuningout flange is connect loaded on sealed letter body and by bolt group with lower contact.
Specifically, the lower contact is threeway lower contact.
Compared with prior art, the utility model has the following beneficial effects:
The utility model, structure is simple, easy to use.The sealing intensity of auxiliary seal mechanism increases, it can be made to be applicable in In the pumpingh well of higher pressure;It is novel in design simultaneously, it is compact-sized, it realizes 360 ° of horizontal displacement tuningouts and automatic blowout-prevention, is easy to Adjustment operation;First packing of primary seal mechanism and the second packing of auxiliary seal mechanism have fabulous sealing effect and longevity Life, effectively prevent oil liquid to leak from primary seal mechanism and auxiliary seal mechanism, and the lower contact that prevents the pollution of the environment is three-way connection, The polished rod sealer can be directly loaded on to mouth of pumped oil well hanger, well head does not need additionally to install threeway, reduces pumpingh well equipment Quantity, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is originally to try out novel profile outline.
Parts title in attached drawing are as follows:
1. primary seal mechanism, 1-1. adjusting nut, 1-2. sealing ring I, 1-3. packing pressing sleeve, the first packing of 1-4., 1-5. Sealed letter body, 1-6. compressed spring;2. auxiliary seal mechanism, 2-1. holds pipe tightly, and 2-2. seals sliding block, 2-3. anti-turn screw, 2- 4. sealing take-up housing, 2-5. sealing ring II, 2-6. connector sleeve, 2-7. pressure cap, the small pressing sleeve of 2-8., the second packing of 2-9., 2-10. are led To set, 2-11. adjusting rod, 2-12. connecting pin;3. adjusting deviation device, 3-1. tuningout flange, under 3-2. sealing ring III, 3-3. Connector;4. anti-spraying mechanism, 4-1. attachment screw, 4-2. blowout prevention valve seat, 4-3. pin shaft, 4-4. blowout prevention valve plate.
Specific embodiment
As shown in Figure 1, a kind of high-pressure polished rod sealer, including primary seal mechanism 1, auxiliary seal mechanism 2, anti-spraying mechanism 4 And the top of the auxiliary seal mechanism 2 is arranged in adjusting deviation device 3, the primary seal mechanism 1;The adjusting deviation device 3 and blowout prevention Mechanism 4 is mounted on the lower section of the auxiliary seal mechanism 2, and when pumping unit normally aspirates, primary seal mechanism 1 seals polished rod and well Mouthful, auxiliary seal mechanism 2 and anti-spraying mechanism 4 are in the open state;When needing replacing the first packing 1-4 of primary seal mechanism 1, Close auxiliary seal mechanism 2;When the abnormal conditions such as light rod-broken occur, anti-spraying mechanism 4 seals under the action of oil stream Well head plays blowout prevention function;When eccentric wear occurs for polished rod, needs to adjust polished rod and high-pressure polished rod sealer axle center, adjusting deviation device 3 High-pressure polished rod sealer can be made to realize 360 ° of horizontal direction displacements.
The auxiliary seal mechanism 2 is by holding pipe 2-1, sealing sliding block 2-2, anti-turn screw 2-3, sealing take-up housing 2-4, close Seal II2-5, connector sleeve 2-6, pressure cap 2-7, small pressing sleeve 2-8, the second packing 2-9, guide sleeve 2-10, adjusting rod 2-11, connection The composition such as pin 2-12, sealing sliding block 2-2 and sealing take-up housing 2-4 are installed on holding after being linked and packed by connecting pin 2-12 In pipe 2-1;Anti-turn screw 2-3 equipped with sealing ring, which is loaded on, to be held tightly on pipe 2-1, and is inserted in sealing take-up housing 2-4 limiting slot;It adjusts After pole 2-11 is loaded on connector sleeve 2-6, by guide sleeve 2-10, the second packing 2-9, small pressing sleeve 2-8, pressure cap the 2-7 successively company of being loaded on The right end of female connector 2-6 turns pressure cap 2-7 and moves to sealed letter body 1-5 direction after the second packing 2-9 is worn, pressure Cap 2-7 squeezes the second packing 2-9 by small pressing sleeve 2-8, can increase the second packing 2-9 after being worn and adjusting rod 2- at this time 11 leakproofness, sealing ring II2-5 are loaded on the left end of connector sleeve 2-6, and later, the left end connector sleeve 2-6 is threaded in holding pipe On 2-1, and adjusting rod 2-11 is inserted in the regulating tank for sealing take-up housing 2-4.
The primary seal mechanism 1 includes: adjusting nut 1-1, sealing ring I1-2, packing pressing sleeve 1-3, the first packing 1-4, close Packing body 1-5, compressed spring 1-6;The adjusting nut 1-1 is threadedly coupled with the sealed letter body 1-5, therefore adjustable adjusting The screw-in depth of nut 1-1, the sealing ring I1-2 are mounted on above the packing pressing sleeve 1-3;The sealing ring I1-2 is whole It is installed on inside the adjusting nut 1-1;The first packing 1-4 installation and the top compressed spring 1-6;First disk Root 1-4 is mounted as a whole on inside sealed letter body 1-5, and the holding pipe 2-1 and sealed letter body 1-5 interference fit are installed.
The anti-spraying mechanism 4 is made of attachment screw 4-1, blowout prevention valve seat 4-2, pin shaft 4-3, blowout prevention valve plate 4-4 etc., is prevented Spray valve seat 4-2 is installed on the bottom of sealed letter body 1-5 by attachment screw 4-1, and blowout prevention valve plate 4-4 passes through pin shaft 4-3 and blowout prevention Valve seat 4-2 connection.
Adjusting deviation device described in the adjusting deviation device 3 is made of tuningout flange 3-1, sealing ring III3-2 and lower contact 3-3, institute Stating lower contact 3-3 is threeway lower contact.The tuningout flange 3-1 is connect with the lower contact 3-3 by bolt group;The sealing It encloses in the groove on the upside of III3-2 installation and the lower contact 3-3.
During installation, the first packing 1-4 is taken out from polished rod sealer first;Then high-pressure polished rod sealer is connected To wellhead assembly;The both ends pipe 2-1 adjusting rod 2-11 will be held tightly and be adjusted to releasing orientation;Then oil-extractor polish-rod is passed through into high pressure polished rod Sealer puts into underground;Tuningout flange 3-1 is loosened, keeps sealed letter body 1-5 mobile with tuningout;First packing 1-4 is packed into close Packing body 1-5, makes sealed letter body 1-5 and polished rod centering;Tuningout flange 3-1 and lower contact 3-3 is tightened, guarantees its sealing;It will Adjusting nut 1-1 is tightened, upper end coating lubricating oil;Start pumping unit.
When replacing the first packing 1-4, pumping unit is shut down first;It is screwed with specific purpose tool by pipe 2-1 is held tightly;So After turn adjusting rod 2-11 so that adjusting rod 2-11 to seal sliding block 2-2 and polished rod seal by sealing take-up housing 2-4, from And prevent oil liquid uplink from overflowing well head, adjusting nut 1-1 is loosened, is ibid mentioned to head with packing pressing sleeve 1-3 mono-, is then removed First packing 1-4;The the first packing 1-4 more renewed is compressed packing pressing sleeve 1-3 with adjusting nut 1-1;It is left by pipe 2-1 is held tightly Right both ends adjusting rod 2-11 unscrews, and separates sealing sliding block 2-2 with polished rod, releases the sealing state of auxiliary seal mechanism 2;Starting Pumping unit, upper end coating lubricating oil lubricate polished rod.Auxiliary seal mechanism 2 increases by the second packing 2-9, enables to auxiliary seal machine Structure 2 has stronger sealing performance, so that high-pressure polished rod sealer is suitable for the pumpingh well of higher pressure.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (4)

1. a kind of high-pressure polished rod sealer, which is characterized in that including primary seal mechanism (1), auxiliary seal mechanism (2), anti-spraying machine Structure (4) and adjusting deviation device (3), the primary seal mechanism (1) are arranged in the top of the auxiliary seal mechanism (2);The tuningout Mechanism (3) and anti-spraying mechanism (4) are mounted on the lower section of the auxiliary seal mechanism (2);
The auxiliary seal mechanism (2) is by holding pipe (2-1), sealing sliding block (2-2), anti-turn screw (2-3), sealing take-up housing tightly (2-4), sealing ring II (2-5), connector sleeve (2-6), pressure cap (2-7), small pressing sleeve (2-8), the second packing (2-9), guide sleeve (2- 10), adjusting rod (2-11), connecting pin (2-12) etc. form, and sealing sliding block (2-2) and sealing take-up housing (2-4) are by connecting pin Nail (2-12) is installed in holding pipe (2-1) after being linked and packed;Anti-turn screw (2-3) equipped with sealing ring is loaded on holding pipe (2- 1) it on, and inserts in sealing take-up housing (2-4) limiting slot;After adjusting rod (2-11) is loaded on connector sleeve (2-6), by guide sleeve (2- 10), the second packing (2-9), small pressing sleeve (2-8), pressure cap (2-7) are successively loaded on the right end of connector sleeve (2-6), sealing ring II (2- 5) it is loaded on the left end of connector sleeve (2-6), later, the left end connector sleeve (2-6) is threaded on holding pipe (2-1), and will be adjusted Bar (2-11) inserts in the regulating tank of sealing take-up housing (2-4),
The primary seal mechanism (1) includes: adjusting nut (1-1), sealing ring I (1-2), packing pressing sleeve (1-3), the first packing (1-4), sealed letter body (1-5), compressed spring (1-6);The adjusting nut (1-1) and sealed letter body (1-5) screw thread connect It connects;The sealing ring I (1-2) is mounted on above the packing pressing sleeve (1-3);The sealing ring I (1-2) is mounted as a whole on described Adjusting nut (1-1) is internal;First packing (1-4) installation and the top the compressed spring (1-6);First packing (1-4) is mounted as a whole on sealed letter body (1-5) inside,
The anti-spraying mechanism (4) is by groups such as attachment screw (4-1), blowout prevention valve seat (4-2), pin shaft (4-3), blowout prevention valve plates (4-4) At blowout prevention valve seat (4-2) is installed on the bottom of sealed letter body (1-5) by attachment screw (4-1), and blowout prevention valve plate (4-4) passes through Pin shaft (4-3) is connect with blowout prevention valve seat (4-2),
The adjusting deviation device (3) adjusting deviation device is by tuningout flange (3-1), sealing ring III (3-2) and lower contact (3-3) group At the tuningout flange (3-1) is fixedly connected with the lower contact (3-3);Under the sealing ring III (3-2) installs and is described In groove on the upside of connector (3-3).
2. a kind of high-pressure polished rod sealer according to claim 1, which is characterized in that the holding pipe (2-1) and sealed letter Body (1-5) interference fit installation.
3. a kind of high-pressure polished rod sealer according to claim 1, which is characterized in that the tuningout flange (3-1) is loaded on close Packing body (1-5) is simultaneously connect by bolt group with lower contact (3-3).
4. a kind of high-pressure polished rod sealer according to claim 1, which is characterized in that the lower contact (3-3) is under threeway Connector.
CN201920356301.6U 2019-03-20 2019-03-20 A kind of high-pressure polished rod sealer Expired - Fee Related CN209724279U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920356301.6U CN209724279U (en) 2019-03-20 2019-03-20 A kind of high-pressure polished rod sealer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920356301.6U CN209724279U (en) 2019-03-20 2019-03-20 A kind of high-pressure polished rod sealer

Publications (1)

Publication Number Publication Date
CN209724279U true CN209724279U (en) 2019-12-03

Family

ID=68687776

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920356301.6U Expired - Fee Related CN209724279U (en) 2019-03-20 2019-03-20 A kind of high-pressure polished rod sealer

Country Status (1)

Country Link
CN (1) CN209724279U (en)

Similar Documents

Publication Publication Date Title
RU2719907C2 (en) Wellhead pressure sealer of sucker-rod pump unit
CN200971758Y (en) Sealer for wellhead polish rod of pumping well
CN202788725U (en) Metal hard sealing oil tube head
CN204553199U (en) A kind of plunger pump clack box assembly
CN106917743B (en) A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body
CN2937459Y (en) Double-offset polish rod sealer for pumping well
CN209724279U (en) A kind of high-pressure polished rod sealer
CN201915886U (en) Automatic regulating sealer for polish rod of oil well
CN104695888A (en) Automatic backflow wellhead sealer
CN103192546B (en) Forcing press balancer piston lubricating apparatus
CN201671585U (en) Eccentric wear and spray prevention well mouth seal device
CN218954579U (en) Well cementation fracturing pump plunger lubricating arrangement
CN104005951B (en) Gear pump for fuel charger
CN203626692U (en) Automatic backflow type well head sealing device
CN201843768U (en) Reciprocating type water injection pump oil check head
CN209724298U (en) Variable unpowered high-pressure plunger dosing device
CN104405325A (en) Multifunctional polish rod sealer of pumping well
CN208587126U (en) A kind of polished rod sealer
CN209704521U (en) A kind of adjustable offset sealing machine for oil well polish rod
CN205663424U (en) Magnetic force non -contact wellhead blowout preventor
CN104389778A (en) High-performance packing sealing device and application method
CN209539310U (en) A kind of production wellhead polish rod lubricating device
CN211144434U (en) Oil recovery well head polished rod seals leak protection device
CN208010320U (en) Direct-connected well head support hydraulic pressure petroleum lifting device
CN208416483U (en) A kind of wear-resisting offset blow-out preventing polished rod sealer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191203