CN205532399U - Centering device for oil pumping unit - Google Patents
Centering device for oil pumping unit Download PDFInfo
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- CN205532399U CN205532399U CN201620195384.1U CN201620195384U CN205532399U CN 205532399 U CN205532399 U CN 205532399U CN 201620195384 U CN201620195384 U CN 201620195384U CN 205532399 U CN205532399 U CN 205532399U
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- polished rod
- centering
- oil pumper
- centralising device
- assembly
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Abstract
The utility model provides a centering device for oil pumping unit, include: hang the mechanism, polished rod, polished rod are installed and are being hung the central authorities of mechanism, centering mechanism, the fixed mounting of centering mechanism is on the polished rod, according to the mechanism, install the bottom at the polished rod according to the mechanism, centering mechanism includes centering subassembly and fixed connection subassembly, and the centering subassembly passes through the fixed connection subassembly to be fixed in centering mechanism adjustablely, and the centering subassembly sets up on the fixed connection subassembly and sets up with the polished rod interval, the centering subassembly with refer to the centering according to the mechanism. The centering subassembly passes through the fixed connection subassembly to be connected on the polished rod, just with polished rod interval setting, at the in -process that carries out the centering, need not take out the polished rod, cooperates through the centering subassembly with polished rod interval setting and according to the mechanism and to realize refering to the centering.
Description
Technical field
This utility model relates to centralising device field, in particular to a kind of oil pumper centralising device.
Background technology
Rod-pumped well uses polished rod transmission power, and polished rod hangs on pumping unit horsehead by pumping unit hanging, when polished rod and well head center
Deviation will produce eccentric wear beyond when filling the most general enclosing, and pumping well polish rod can be caused wear and tear, minimizing oil pumping well packing service life, shadow
Ringing normal production, the current many employings of pumping unit well mouth polish rod centering are hung plummet and are carried out centering, and inconvenient operation, for height tens
The tower-type pumping unit operation of rice is the most inconvenient, and can not detect at each position of oil pumper stroke, prior art
Plummet messenger wire technology and oil pumper laser centring device technology, do not account for beam hanger for pumping machine under immunization with gD DNA vaccine, steel wire rope
Natural torsion under bending stress effect, because under immunization with gD DNA vaccine, oil pumper centering can produce the biggest error, it is impossible to ensures
The accuracy of alignment of oil pumper.SAGD DP technology is being used to carry out the pumpingh well exploited, due to oil well long term high temperature high pressure, oil
Well cannot be carried out emptying, it is impossible to the wellhead venting centering mode of employing, owing to there being sealed packing in packing box during centering with pressure,
Being additionally arranged injecting glue gas-tight silo to change packing SAGD packing box for pumping well bottom, polished rod also can be produced by the fluid sealant that high pressure injects
Raw extruding, the actual position of pumping well polish rod cannot determine, causes current rod-pumped well centering with pressure weak effect, and centering is qualified
Rate is low.Patent publication No. CN203626654U uses and installs weight stack additional at suspension point, by pumping unit hanging dot center and well head center
Carry out centering, need during oil pumper centering to drop down onto at the bottom of pump by oil well pump, pluck suspending point loading, polished rod is taken out from polished rod eye,
Then hanging centralising device on polished rod eye, balancing weight is installed in centralising device bottom, and balancing weight is heavy, installation steps are loaded down with trivial details.
Utility model content
Main purpose of the present utility model is to provide a kind of easy-to-install oil pumper centralising device.
To achieve these goals, this utility model provides a kind of oil pumper centralising device, including: hitch；Polished rod,
Polished rod is arranged on the central authorities of hitch；Centering body, centering body is fixedly mounted on polished rod；With reference to mechanism, with reference to mechanism
It is arranged on the bottom of polished rod；Centering body includes that centering assembly connects assembly with fixing, and centering assembly can by fixing connection assembly
Adjustably be fixed on centering body, centering assembly be arranged on fixing connect on assembly and and polished rod interval arrange, centering assembly with
Carry out with reference to centering with reference to mechanism.
Further, hitch includes that polished rod eye, polished rod are suspended on pumping unit horsehead by polished rod eye.
Further, the fixing assembly that connects includes: fixed part, and the fixing assembly that connects is fixed on polished rod by fixed part；Connect
Portion, the first end of connecting portion is fixing with fixed part to be connected.
Further, fixed part includes: positioning sleeve, and positioning sleeve is set on polished rod；Fastening bolt, fastening bolt is located in fixed
Position puts, and the end of positioning sleeve is connected on polished rod.
Further, positioning sleeve being provided with construction opening, polished rod enters in positioning sleeve by construction opening, and positioning sleeve is close
One end of connecting portion is provided with the arc section suitable with polished rod.
Further, connecting portion also includes connecting rod and connects rope, and the first end of connecting rod is fixedly installed on positioning sleeve, connects
Second end of bar is provided with outstanding cord hole, and the first end connecting rope is connected with outstanding cord hole, and the second end connecting rope is connected with centering assembly.
Further, centering assembly includes: bindiny mechanism, and bindiny mechanism connects with being connected rope；Balance weight mechanism, balance weight mechanism with
Bindiny mechanism connects；Trigger mechanism, trigger mechanism is arranged in balance weight mechanism.
Further, the outer wall of bindiny mechanism is provided with external screw thread, balance weight mechanism is provided with the screw thread suitable with external screw thread
Hole；Trigger mechanism includes microswitch and generating laser, and bindiny mechanism is connected in microswitch near one end of trigger mechanism.
Further, balance weight mechanism is plummet, and one end of the close laser transmitter projects side of plummet is provided with laser channeling.
Further, being the concentric discs with polished rod as the center of circle with reference to mechanism, concentric discs is arranged on packing box.
Application the technical solution of the utility model, centering assembly is connected on polished rod by the fixing assembly that connects, and and polished rod interval
Arrange, during carrying out centering, it is not necessary to polished rod is taken out, by centering assembly spaced with polished rod and reference machine
Structure coordinates can realize reference centering.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the overall structure figure of oil pumper centralising device of the present utility model；
Fig. 2 diagrammatically illustrates the overall structure figure of the fixing connection assembly in this utility model；And
Fig. 3 diagrammatically illustrates the overall structure figure of the centering assembly in this utility model.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, hitch；11, polished rod eye；20, polished rod；30, centering body；31, centering assembly；311, bindiny mechanism；
312, balance weight mechanism；3121, laser channeling；313, trigger mechanism；3131, microswitch；3132, generating laser；
32, fixing connection assembly；321, fixed part；3211, positioning sleeve；3212, fastening bolt；3213, arc section；322, even
Meet portion；3221, rope is connected；3222, outstanding cord hole；3223, connecting rod；40, with reference to mechanism；50, packing box.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
See shown in Fig. 1 to Fig. 3, according to this utility model, it is provided that a kind of oil pumper centralising device, including hitch 10,
Polished rod 20, centering body 30 and reference mechanism 40, wherein, hitch 10 is arranged in oil pumper (not shown),
Polished rod 20 is arranged on the central authorities of hitch 10；Centering body 30 is fixedly mounted on polished rod 20.It is arranged on reference to mechanism 40
The bottom of polished rod 20.Centering body 30 includes centering assembly 31 and the fixing assembly 32 that connects, and centering assembly 31 is by the company of fixing
Connected components 32 is fixed adjustably on centering body 30, and centering assembly 31 is arranged on fixing connection assembly 32 and and polished rod
20 intervals are arranged, and centering assembly 31 is carried out with reference to centering with reference to mechanism 40.
Specifically, centering assembly 31 is connected on polished rod by the fixing assembly 32 that connects, and and the setting of polished rod 20 interval,
During carrying out centering, it is not necessary to polished rod is taken out, by centering assembly 31 spaced with polished rod 20 and reference mechanism
40 coordinate realization with reference to centering.
After finding alignment deviation, alignment deviation is removed in the position being adjusted polished rod 20 by mobile oil pumper, completes oil pumper light
The centering of bar 20.Wherein, the hitch 10 in this utility model includes polished rod eye 11, and during installation, polished rod 20 is by outstanding rope
Device 11 is suspended on pumping unit horsehead.
As in figure 2 it is shown, the fixing connection assembly 32 in this utility model includes fixed part 321 and connecting portion 322, fixing connection
Assembly 32 is fixed on polished rod 20 by fixed part 321, and the first end of connecting portion 322 is fixing with fixed part 321 to be connected.Work
When making, centering assembly 31 is connected with connecting portion 322, and connecting portion 322 is fixing with fixed part 321 to be connected, and fixed part 321 is fixed
On polished rod 20, i.e. centering assembly 31 is fixed on polished rod 20 by fixed part 321.
Specifically, fixed part 321 includes: positioning sleeve 3211 and fastening bolt 3212.Wherein, positioning sleeve 3211 is set in
On polished rod 20；Fastening bolt 3212 is located on positioning sleeve 3211, and the end of positioning sleeve 3211 is connected on polished rod 20.Peace
During dress, first positioning sleeve 3211 is set on polished rod 20, then screws fastening bolt 3212, make the end of fastening bolt 3212
Withstanding on polished rod 20, the end of fastening bolt 3212 coordinates jointly with the inwall of positioning sleeve 3211 makes fixed part 321 be fixed on light
On bar 20, when needing the angle adjusting oil pumper centralising device of the present utility model, fastening bolt 3212 is unscrewed, rotate
Tighten again behind position.
The installation of the positioning sleeve 3211 in this utility model for convenience, the positioning sleeve 3211 in this utility model is provided with installation
Opening, during installation, polished rod 20 is entered in positioning sleeve 3211 by construction opening.
Tighter in order to make positioning sleeve 3211 and the periphery of polished rod 20 fit, positioning sleeve 3211 is near one end of connecting portion 322
It is provided with the arc section 3213 suitable with polished rod 20.
In order to make centering assembly 31 rely on gravity to find centering direction, connecting portion 322 also include connecting rod 3223 and connect rope 3221,
First end of connecting rod 3223 is fixedly installed on positioning sleeve 3211, and the second end of connecting rod 3223 is provided with outstanding cord hole 3222,
The first end connecting rope 3221 is connected with outstanding cord hole 3222, and the second end connecting rope 3221 is connected with centering assembly 31.
Specifically, centering assembly 31 includes bindiny mechanism 311, balance weight mechanism 312 and trigger mechanism 313, bindiny mechanism 311
Connecting with being connected rope 3221, balance weight mechanism 312 is connected with bindiny mechanism 311；Trigger mechanism 313 is arranged on balance weight mechanism 312
In.During work, balance weight mechanism 312 is suspended in connecting rod 3223 by bindiny mechanism 311 and connection rope 3221, balance weight mechanism
By self gravitation, 312 determine that centering direction, trigger mechanism 313 are arranged on balance weight mechanism 312, and to reference to mechanism 40
Light is launched in direction, is finding the first reference point by light with reference to the position in mechanism 40, is being rotated by fixing connection assembly 32
To and original position symmetry side, trigger mechanism 313 finds the second reference point, by the first reference to launching light with reference to mechanism 40
Point and the position of the second reference point, find centering center.In like manner, oil pumper centralising device of the present utility model can use multiple
Reference point, as long as can find the centering central point can.
In order to realize the control to the trigger mechanism 313 in this utility model, on the outer wall of the bindiny mechanism 311 in this utility model
It is provided with external screw thread, balance weight mechanism 312 is provided with the screwed hole suitable with external screw thread；Trigger mechanism 313 includes that fine motion is opened
Pass 3131 and generating laser 3132, bindiny mechanism 311 is connected in microswitch 3131 near one end of trigger mechanism 313.
When laser launched by needs, connecting mechanism for rotating 311, make bindiny mechanism 311 be against in microswitch 3131, continue the company of screwing
Connection mechanism 311, microswitch 3131 is connected mechanism 311 and presses, and laser launched by generating laser 3132.When need not launch
During laser, opposite direction connecting mechanism for rotating 311, make bindiny mechanism 311 leave microswitch 3131, microswitch 3131 is recovered
In situ, generating laser 3132 stops launching laser.In order to prevent connection rope 3221 generation from playing torsion, it is to avoid owing to connecting rope 3221
Beat and turn round and have influence on centering assembly 31 and find centering direction accurately, it is preferable that be provided with outstanding rope in bindiny mechanism 311 and prevent playing torsion
Bearing.
Specifically, balance weight mechanism 312 is plummet, and one end of close generating laser 3132 emitting side of plummet is provided with laser
Passage 3121.The laser that generating laser 3132 is launched is penetrated on reference to mechanism 40 by laser channeling 3121.
Look for reference point for convenience, it is preferable that reference mechanism 40 is the concentric discs with polished rod 20 as the center of circle, and concentric discs sets
Put on packing box 50.During work, being fixed by fixing connection assembly 32, the laser that generating laser 3132 is launched is at concentric circular
Find the first reference point on dish, rotate fixing connection in assembly 32 to concentric discs with first with reference to point-symmetric position, find the
Two reference points, by the first reference point and the position of the second reference point, determine the deviation of polished rod physical location and centering center, move
Dynamic oil pumper, makes polished rod go to centering center, is finally completed centering.
Oil pumper centralising device of the present utility model, simple in construction, easy for installation, it is not necessary to oil well is vented, the most also
Realize pumpingh well centering with pressure operation, it is adaptable to High Temperature High Pressure pumpingh well.It addition, with packing box 50 center of circle as object of reference, need not
Consider the current polished rod 20 actual position in packing box.
Oil pumper centralising device pendant of the present utility model is on pumping well polish rod top, it is achieved oil pumper on-load centering, and,
At pumping well polish rod 20 1 side mounting plummet and generating laser 3132, automatically adjust perpendicularity by gravity, without there being complexity
Leveling device.
Oil pumper centralising device of the present utility model need not add weight stack, it is ensured that load belt and polished rod eye steel wire rope eliminate stress
Bending.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. an oil pumper centralising device, it is characterised in that including:
Hitch (10)；
Polished rod (20), described polished rod (20) is arranged on the central authorities of described hitch (10)；
Centering body (30), described centering body (30) is fixedly mounted on described polished rod (20)；
With reference to mechanism (40), the described bottom being arranged on described polished rod (20) with reference to mechanism (40)；
Described centering body (30) includes centering assembly (31) and fixing connection assembly (32), described centering assembly (31)
It is fixed adjustably on described centering body (30) by described fixing connection assembly (32), described centering assembly (31)
It is arranged on described fixing connection assembly (32) and and the setting of described polished rod (20) interval, described centering assembly (31)
Carry out with reference to centering with reference to mechanism (40) with described.
Oil pumper centralising device the most according to claim 1, it is characterised in that described hitch (10) includes polished rod eye
(11), described polished rod (20) is suspended on pumping unit horsehead by described polished rod eye (11).
Oil pumper centralising device the most according to claim 1, it is characterised in that described fixing connection assembly (32) including:
Fixed part (321), described fixing connection assembly (32) is fixed on described polished rod (20) by described fixed part (321)
On；
Connecting portion (322), the first end of described connecting portion (322) is fixing with described fixed part (321) to be connected.
Oil pumper centralising device the most according to claim 3, it is characterised in that described fixed part (321) including:
Positioning sleeve (3211), described positioning sleeve (3211) is set on described polished rod (20)；
Fastening bolt (3212), described fastening bolt (3212) is located on described positioning sleeve (3211), described location
The end of set (3211) is connected on described polished rod (20).
Oil pumper centralising device the most according to claim 4, it is characterised in that described positioning sleeve is provided with installation on (3211)
Opening, described polished rod (20) enters in described positioning sleeve (3211) by described construction opening, described positioning sleeve (3211)
One end of described connecting portion (322) is provided with the arc section (3213) suitable with described polished rod (20).
Oil pumper centralising device the most according to claim 4, it is characterised in that described connecting portion (322) also includes connecting rod
(3223) restricting (3221) with connection, the first end of described connecting rod (3223) is fixedly installed on described positioning sleeve (3211)
On, the second end of described connecting rod (3223) is provided with outstanding cord hole (3222), described the first end connecting rope (3221)
Being connected with described outstanding cord hole (3222), described the second end connecting rope (3221) is connected with described centering assembly (31).
Oil pumper centralising device the most according to claim 6, it is characterised in that described centering assembly (31) including:
Bindiny mechanism (311), described bindiny mechanism (311) connects with the described rope (3221) that is connected；
Balance weight mechanism (312), described balance weight mechanism (312) is connected with described bindiny mechanism (311)；
Trigger mechanism (313), described trigger mechanism (313) is arranged in described balance weight mechanism (312).
Oil pumper centralising device the most according to claim 7, it is characterised in that set on the outer wall of described bindiny mechanism (311)
It is equipped with external screw thread, described balance weight mechanism (312) is provided with the screwed hole suitable with described external screw thread；Described transmitter
Structure (313) includes microswitch (3131) and generating laser (3132), and described bindiny mechanism (311) is near described
One end of trigger mechanism (313) is connected in described microswitch (3131).
Oil pumper centralising device the most according to claim 8, it is characterised in that described balance weight mechanism (312) is plummet, institute
The one end of close described generating laser (3132) emitting side stating plummet is provided with laser channeling (3121).
Oil pumper centralising device the most according to claim 1, it is characterised in that described is with described light with reference to mechanism (40)
Bar (20) is the concentric discs in the center of circle, and described concentric discs is arranged on packing box (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195384.1U CN205532399U (en) | 2016-03-14 | 2016-03-14 | Centering device for oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195384.1U CN205532399U (en) | 2016-03-14 | 2016-03-14 | Centering device for oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532399U true CN205532399U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195384.1U Active CN205532399U (en) | 2016-03-14 | 2016-03-14 | Centering device for oil pumping unit |
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| Country | Link |
|---|---|
| CN (1) | CN205532399U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643538A (en) * | 2016-12-26 | 2017-05-10 | 北京化工大学 | In-service beam pumping unit horsehead shaking detection device |
| CN109057731A (en) * | 2018-09-06 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of pumping unit hanging point and workover derrick pulley center and well head centering laser tester |
| CN109441343A (en) * | 2018-10-30 | 2019-03-08 | 孙霞伢 | A kind of architectural engineering pile driving equipment |
| CN112253091A (en) * | 2020-09-21 | 2021-01-22 | 中国石油天然气股份有限公司 | Pumping unit wellhead centering measuring device and method |
-
2016
- 2016-03-14 CN CN201620195384.1U patent/CN205532399U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643538A (en) * | 2016-12-26 | 2017-05-10 | 北京化工大学 | In-service beam pumping unit horsehead shaking detection device |
| CN109057731A (en) * | 2018-09-06 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of pumping unit hanging point and workover derrick pulley center and well head centering laser tester |
| CN109441343A (en) * | 2018-10-30 | 2019-03-08 | 孙霞伢 | A kind of architectural engineering pile driving equipment |
| CN109441343B (en) * | 2018-10-30 | 2020-09-15 | 广东吉利建设工程有限公司 | Piling equipment for constructional engineering |
| CN112253091A (en) * | 2020-09-21 | 2021-01-22 | 中国石油天然气股份有限公司 | Pumping unit wellhead centering measuring device and method |
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| GR01 | Patent grant |